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Hello!
I will be picking up a new to me 1953 mfg. Winchester model 70. It is a .270. It has an old ElPaso Weaver mounted with a post reticle. I don't have any plans to hot rod this old rifle. All I really want to do is come up with a standard load for a 130 grain flat base Hornady that is as time tested as a pre 64 Winchester.

Your help is appreciated.
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59 grains of H4831 with the 130 Hornady is the classic.


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It would be hard to not go with Jack O'connor's combo of H4831 and a 130 gr. bullet. His loads were a little heavier than most published today; modern H4831 may be a little faster than the surplus powder he was using. Fiftynine grs. of current H4831 is probably close to perfect.

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If that load doesn't happen to work, 54 or 55gr of IMR4350 is pretty well time proven, also.

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I've owned several of these rifles and presently have four;one is on its second barrel, the first having expired after over 3000 rounds(have no idea how many were fired before I got it).Either 60-H4831 or 60 RL22 with 130 Sierra flat base,or 130 Nosler Partitions have done the bulk of the work for me over the years.I've found that if a M70 does not digest either of these loads, it's a sick M70.

I have never had a pre 64 M70 270(FW or Standard) that did not give fine accuracy and good field service with either of these loads.




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Thanks men, I will start putting some together later this morning.


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My pre-64 M70 Featherweight in .270 WIN performs sub-MOA with 59.5 grains of H4831SC, CCI BR2 primers, the Hornady Interlock 130 grain bullet and FED, WW or Frontier brass.


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Odessa,
Have you ever chronographed that load?


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Yep, give me a minute to go out to the shed and I will look it up for you.

Here you go - that load chronographed a 2950 fps avg velocity with the Beta Master Chrony set at 10' from the muzzle, at 81 degrees. my rifle has a 22" Douglas barrel.

Ps That load shoots 3/4" at 100 yards and just under 2" at 200 yards.

Last edited by Odessa; 10/15/08.

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Originally Posted by Odessa
My pre-64 M70 Featherweight in .270 WIN performs sub-MOA with 59.5 grains of H4831SC, CCI BR2 primers, the Hornady Interlock 130 grain bullet and FED, WW or Frontier brass.


My exact load too. Shoots tiny groups through both a Model 700 and a Model 70. Kills deer very,very dead. wink

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Thanks, so much guys, I have been out digging through my loading bench, and I have the primers, powder and brass, but the only bullets I have are 90, 115, and 130 grain in the interbonds. Will have to run out today and see if I can find a box of standard interlocks. My conscience won't let me shoot a plastic tipped bullet out of this rifle.


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My standard 'old classic' .270 load since about 1972 is 54.0/IMR 4350/130g Sierra. It has worked well on deer and given excellent accuracy. Plateau Hunter

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If you really want an O'Connor classic get 130 Partitions in front of 4831. JO seemed really satisfied with that load in his later writings especially, if memory serves well. If you stick with the Hornadys their manual really jacks up the 130's with about 62 gr H4831. If you don't have the manual I'll double check that load when I'm back at the bench.

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My 270 M70 FWT shoots the 130gr partition in front of 60gr H4831SC at 3050fps over my Oehler 35P.
Nice accuracy as well.


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my model 700 (24"tube) seemed to prefer 55gr of imr 4350, wlr primer, ww cases, and 130gr partitions. i tried 4831 but didn't get the accuracy i thought i should. however, i have an 06' that likes it.

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Mine work well with these H-4831SC/CCI 200 loads with these 130s as well as the Speers. Have to work hard to make these shoot poorly.


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Does anyone know which 130 grain bullet JOC favored? I remember him writing of the Western Open Point (whatever that was), Silvertip, and the 130 Speer. Someone here mentioned the 130 Nosler (don't remember reading of this bullet). Just curious since he would have used the 130s on a wide variety of game.

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Originally Posted by Thunderstick
Does anyone know which 130 grain bullet JOC favored?


As far as I've read, he really didn't seem to favor any particular one. He appeared to me to have been somewhat of a tinkerer, always in search of the elusive perfect load. However, I seem to recall seeing him mention the Western most often.

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O.K. gents, here it is from the horses mouth; Handloaders Digest, New Eighth Edition, Copyright 1978.

Jacks Favored Loads
"130 grain bullet of controlled expanding type with 60-62 grains of old H4831, 61 grains of W-W 785, 60 grains of Norma 205 or 55-56 grains of 4350. Velocity is from 3,050 to 3,150. Exellent bullets I have used are the W-W Power Point, the Remington pointed soft point Core-Lokt and the Nosler. This load can be used on everything from jackrabbits to moose. I have used more Nosler bullets in front of 62 grains of H4831 in W-W cases than anything else."

He includes in the article his favorite loads using 100, 150, and 170/180 grain bullets. If anyone is interested I'll write those up here also.


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Hodgdon says you can substitute H4831SC one for one with H4831, and if you're going to put 60 gr in that case, SC is the way to go, IMHO.

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O.K., Jack O'Connors favorite loads for the 270 continued minus the previously mentioned 130 grain bullets;

"100 grain bullet with 52 grains of 4064. Velocity--3,300fps. I've shot dozens of coyotes and hundreds of jackrabbits with this load, but for woodchuck shooting I think the recoil is a bit heavy, and it shoots no flatter than good loads in the 243 and the 6mm Remington. For this light bullet I see no point in using slow-burning powders; all you do is increase the muzzle blast."

"150 grain bullet, controlled expanding type at 2,900-2,950 with 58.5 grains of old H4831, 54 grains of 4350 or 58 grains of 785. At 100 yards this load usually shoots within an inch of the 130 grain loads listed above, slightly lower at 200. Some may not agree with me but I have found it a fine elk load and an excellent one for large African antelope. Bob Lee used the Nosler version on leopard, lion, kudu and gemsbok, as well as on lions."

"160 grain bullet [Nosler, Barnes, Dominion] with 52 grains of 4350 or 54 grains of H4831. The late Hosea Sarber, a legendary Alaskan game warden, shot several big brown bears with the Barnes 160-gr. bullet and 52 grains of 4350. He said it killed as well and gave as deep penetration as the 172-gr. Western Tool and Copper Co. bullet he used in his 30-06."

"170/180-gr. bullets. The Speer 170-gr. round-nose soft point will travel along at 2,652 when pushed by 51 grains of 4350 and at 2,785 with 57 grains of H4831. The 180-gr. Barnes has a velocity of 2,650 with 54 grains of 4831. Barnes makes this bullet as a soft point or a solid. If the elephants are raising hell with your sweetpeas and you own a 270 you might try the 180 gr. solid!"

For those that may not know, the Dominion brand was [is] a Canadian arsenal.

From Layne Simpsons Shooters Handbook; "In it's heyday, the Western Tool and Copper Works had a reputation for making some of the best big game bullets available. Most were of cavity point style and constructed with a soft lead core enclosed by an extremely thick copper jacket. The original Barnes bullets developed by Fred Barnes are similar in constuction. Writers of yesteryear, Jack O'Connor and Elmer Keith in particular, often wrote about using W.T.C.W. bullets on various and sundry game. In fact, Keiths favorite bullets for two of his favorite cartridges, the 35 Whelen and 400 Whelen, were made by that company. I'm not sure when W.T.C.W. stopped producing bullets but it was probably during the late 1940's."

I seem to recall Jack writing he thought that the W.T.C.W. bullets were made by prison labor. Thoughts?


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Originally Posted by 270winchester
O.K. gents, here it is from the horses mouth; Handloaders Digest, New Eighth Edition, Copyright 1978.

Jacks Favored Loads
"130 grain bullet of controlled expanding type with 60-62 grains of old H4831, 61 grains of W-W 785, 60 grains of Norma 205 or 55-56 grains of 4350. Velocity is from 3,050 to 3,150. Exellent bullets I have used are the W-W Power Point, the Remington pointed soft point Core-Lokt and the Nosler. This load can be used on everything from jackrabbits to moose. I have used more Nosler bullets in front of 62 grains of H4831 in W-W cases than anything else."

He includes in the article his favorite loads using 100, 150, and 170/180 grain bullets. If anyone is interested I'll write those up here also.

anyone using 62 grains of H4831 in the 270 Winchester these days?


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FYI: There are also a bunch of J.O'C loads in "The Big Game Rifle" too. They pre-date the loads above so I won't take up space posting them.

FWIW, the RSY classic load is a 140-gr. InterLock atop 58-59 grains of Re-22. wink

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O'Connor pretty much setteled on 62gr of H4831 and 130 Nosler in his favorite M70 Winchesters at the end. He said he had a custom mauser that would give the same velocity at 60 gr of H4831. Very early on he liked the Winchester 130 Pointed Expanding and then for a while the 130 Silvertip. Some others were mixed in, but this is what he mentions most in 130 weight. Hornady is the only place that shows 62 gr of H4831 these days.

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That's probably because Hornady bullets generally have shorter bearing surfaces than other bullets, thus tend to produce less pressure. You can't use the same data for the 130 Partition that you can for the 130 Hornady Spire Point.

It isn't actually necessay to use H4831SC rather than standard H4831 to get 60 grains in the case. O'Connor used 62 grains of the old stuff, which was bulky, and I used it briefly when I started handloading. Just a little of the mil-surp H4831 was still found on shelves then, and I got 62 grains in the case with no real problem. Though the powder filled the cases right up to the case mouth, seating the bullet compressed it a little with no problem.

Most .270's do indeed still perk with around 60 grains of H4831 (whether long or short) and a 130. Tweaking the load a little to 59 or 60.5 or whatever probably depends on the bullet used and lot of powder as much as the individual rifle.

I have also found R22 and R19 to work about as well--except they tend to lose a lot of velocity at lower temperatures, and H4831 doesn't.


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I use a fancy drop tube (an old Bic pen body laugh ) between the funnel and case mouth.

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Incidentally, O'Connor himself said that you should drop down a couple of grains with the "new" H4831 and that his 62 gr load was with the mil-surp powder which was apparently a bit slower. I think the only other 60gr+ load with 130s is in the Swift manual.

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For almost ten years a pre64 M70 .270 was my only "big" rifle. For most of those years my only load was much like the rest of you, 60gr. of H4831 and 130gr. bullet, generally a Hornady. Later I came to believe that the 150gr. bullets might be a better all around load. Now, however after doing some expansion/penetration testing in wet newspaper with Nosler Partitions I'm not so sure it matters.

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Thanks to everyone who has posted. On the way to work last night, I found one box of plain Jane Hornady 130 grain Interlocks. I picked them up, along with a pound of H4831. My cases are already prepped, and Maybe I will get a chance to load them tomorrow morning.

Once again, the experience available on this board amazes me.



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Originally Posted by Mule Deer
I have also found R22 and R19 to work about as well--except they tend to lose a lot of velocity at lower temperatures, and H4831 doesn't.


John, I knew this was the case. But, could you quantify "a lot?" And also at what temps. I imagine here in Texas it's a pretty moot point for me, anyway.

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Originally Posted by tominboise
59 grains of H4831 with the 130 Hornady is the classic.


He also used 49.5 gr. of 4064.
Now days thought of as too fast a burn rate for .270's, it continues to do a great job.

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Originally Posted by tominboise
59 grains of H4831 with the 130 Hornady is the classic.


He also used 49.5 gr. of 4064.
Now days thought of as too fast a burn rate for .270's, it continues to do a great job.
Originally Posted by southtexas
If that load doesn't happen to work, 54 or 55gr of IMR4350 is pretty well time proven, also.



I used 54 grains for YEARS with great accuracy in a pre-war M70 .270.

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RSY,

Yeah, in Texas it probably wouldn't matter much. But I have found both powders to lose more than 100 fps from 70 F. to zero, and sometimes 150 fps.


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The Ruraldoc classic is 54 grains of IMR 4350 with a 140 grain hornady BTSP. Used it for twenty years or so now. I have killed dozens of deer and hogs big and little with perfect results.

It has been accurate in a bunch of different rifles and is the quickest killer that I have used in the 270. I usually find the bullet under the offside hide if it doesn't exit. They weigh about half their original weight and expand to close to 2x the original diameter.

Try it if 130s don't group in your 270,or if you want a little bigger bullet to test.


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JB,

Have you tested any of the "newer" RL22?........supposedly not a bad as the "old" stuff.

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Just a thought, don't know if anyone knows. At the time when J'OC was loading 62/H4831 did the 130 Nos. Ptns. have the relief groove in them? Those bullets would probably have decreased the bearing surface and reduced pressure a bit.

I have no idea during what time periods the bullets with the relief grooves were produced. Kind of curious since I happened on some of this style for my .338 WM.

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Jim, the old machined ones with the groove were produced until 1970 or 1971. I used 62 gr of the old H4831 with them a lot.

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Originally Posted by 1OntarioJim


I have no idea during what time periods the bullets with the relief grooves were produced. Kind of curious since I happened on some of this style for my .338 WM.

Jim


I think Nosler changed manufacturing methods around mid-later '70's.

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Originally Posted by MontanaMan
JB,

Have you tested any of the "newer" RL22?........supposedly not a bad as the "old" stuff.

MM


THAT is interesting, newer RL22?

If that is so, I may have to try some; RL22 used to be my mainstay powder in my 270, 270Wby, and 340Wbys-I got fed up with the velocity swings I would see with changing temps.


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Old school loads that were accurate without showing excessive pressure.

60.0 gr. H4831 for 130.

58.0 gr. H4831 for 150

I also had an accurate load for 130 using Win 760 Powder.

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Tim,

For that very reason, I went to Norma MRP in my 270's.

Hard to get, but temp stable and interchanges exactly data wise, with RL-22, plus, it's fine grained and meters well.

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I had to try H4350, RL22, RL19 in my 270win before I finally tried H4831SC with 130gr partitions...
Let's just say I found my powder for my 270... H4831SC!!
grin


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Originally Posted by MontanaMan
Tim,

For that very reason, I went to Norma MRP in my 270's.

Hard to get, but temp stable and interchanges exactly data wise, with RL-22, plus, it's fine grained and meters well.

MM




I have never tried MRP; it sounds like a fine powder.
Also, I did not realize that it was temp stable.;
Thanks, MM.


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As you have had, I've also gotten good results from 4350 & 4831 but I did find that the new SC version 4831 to be a bit faster that the older lot of standard 4831 that I had on hand; I know others here have found it to be same/same, so maybe my old lot was pretty old.

4831 is really a good, accurate and reliable powder.

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Yeah.


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John,

Have you tested current RL22 for temp stability? Or do you know there has been no change?

What about RL17?

Thanks.

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I am running some new temp tests this summe/winter.

Some RL-17 is one its way to me. Have not tried any yet, for the very good reason that I have yet to see any on the shelves.


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Thanks, I've got some RL17 coming too and was targeting it for 100 grainers in a 25-06 when I get a chance to try it.

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Dad was a True Believer and follower of JO'C. He used 60gr of 4831 and 130gr Sierra SBT at least as far back as the early '60s. Many deer died and groups were always small. Dad switched to 130gr partitions and began getting 3 shot cloverleafs.

I use the same load to this day and the rifle still shoots cloverleafs. Year after year. After two owners and over 40 yrs I feel confident load development for that gun is done.

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All,

I don't know how many 270 chambered rifles I've owned over the years, but it has been several. I presently have four in the safe; a custom pre-64 Model 70, a Remmy 700 Light Mountain Rifle with a composite stock, a custom job built by Don Allen using a Heym SR-20 barreled action, and my old standby David Miller Co Mauser action rifle. All four have 22" barrels. My load for three of the rifles is 59.5 grains of H4831 pushing any good 130 grain bullet. My David Miller rifle chronographs at 3130 fps with this load. It is the fastest of the four. One rifle, the Allen custom using the Heym barreled action, shows mild pressure signs with this load, and for it, I've cut back to 58.0 grains.

I've found in all my 270s over the years, that if they wouldn't shoot H4831 well, they wouldn't shoot anything. I don't shoot anything but 130 grain bullets in my 270s, and if I feel the need for more bullet weight than that, I reach for a bigger cartridge. It just seems to me that the 270 and 130 grain bullets just go together like biscuits go with milk gravy, ham goes with eggs, and scotch goes with water!

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I was with you until you started watering the scotch. laugh

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Maybe he meant club soda instead of water. For sure tsquare was spot on everywhere else. I especially like the part about not polluting your .270 barrel with bullet weights that aren't 130grs. If you need more than that you need a much bigger gun.

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Originally Posted by mathman
I was with you until you started watering the scotch. laugh


I'll second that motion.

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Originally Posted by tsquare
I don't shoot anything but 130 grain bullets in my 270s, and if I feel the need for more bullet weight than that, I reach for a bigger cartridge.


Of course, that is the classic combo. But, that's like saying if you are using a .300 Win. Mag. and need something bigger than 165 grains, then you should set it aside for something "bigger."

Now, if'n pouring, I'll take one of those scotches. wink

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RSY:

I even skip the 300 altogether. If the 270 with 130s, or 280 with 140s, or 30-06 with 165s aren't big enough, I jump to the 338. I went for a lot of years without a single 300 mag in my safe. I do have one there now, but haven't used it on anything but paper as yet. I also went several years without even at 30-06, but have used one a bit during the past three or four years. Frankly, I can't tell the difference in an animal hit with the 270, the 280 or the 30-06. They all seem to die at the same rate!

I know guys, I have a couple Brit friends that accuse me of blasphemy for even putting ice in my scotch, let alone ice and water. I tried soda for awhile but it reminded me too much of Alka Seltzer! Now, belly up to the bar!

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Now it's ice too? I hope you aren't defiling anything better than Usher's or Passport. laugh

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Originally Posted by mathman
Now it's ice too? I hope you aren't defiling anything better than Usher's or Passport. laugh


Maybe we need to start a "Favorite Cheap Scotch" thread (come on, we all have one).

I'll hitch my cart to "Old Smuggler." crazy

As for ice, it's kosher as long as it's the kind bought in a bag with absolutely no air in the cubes. A weird personal rule I have.

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There is never a need to water down good whiskey. Be it 12 year old single malt Scotch or 10 year old Straight Bourbon.


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Originally Posted by RSY
Originally Posted by mathman
Now it's ice too? I hope you aren't defiling anything better than Usher's or Passport. laugh


Maybe we need to start a "Favorite Cheap Scotch" thread (come on, we all have one).

I'll hitch my cart to "Old Smuggler." crazy



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Mathman: Since so many references have been made to Jack O'Connor here on this thread, I'll have you know that Cactus Jack drank Passport scotch, which you now besmirch! Seriously, Passport was old Jack's drink of choice.

Me, I drink Scoresby. I like it so much, I even named one of my labs Ebony's Duke of Scoresby, Duke for short. For the uninformed, Scoresby is nothing but J&B that is shipped to this country in the barrel and bottled here. J&B is bottled in Scotland. That and about 50% more money is the only difference I can tell.

My kids insist on giving me some single malt that costs a fortune and I can't even pronounce for birthdays and father's day, etc. I think they do it because they know that I won't drink it and it's available to them when them come for a visit. I won't drink anything that I can't pronounce, a cardinal rule in the Turpin house. In fact, I think I'll go have a Scoresby right now!

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Mathman and Tsquare you have my permission to water down Passport, Scoresby, Desman & Duff, Usher�s, J&B, and Chaves Regal they are all blended.
Stay with the single malts.


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There is a theory among some Scotsmen that just a touch of water allows the flavors to be released a trifle.

Of course, perhaps they are simply Scotsmen and want to make their whisky go a trifle further. It would be more chemically effective, however, to add just touch of vodka, which is just water and alcohol.

Tsquare, thanks for the info on the Scoresby. I am more of an Irish whisky drinker these days, but still take a wee dram now and then.


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That is true among the Scotts and among Southern Bourbon drinkers, but don't drown it. All it takes is a drop of branch water.


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Quote
There is a theory among some Scotsmen that just a touch of water allows the flavors to be released a trifle.


True, as you say the amount being just a touch. Also the water should be still and never chilled. Not all malts benefit however.

Another poster maligned blends in general which is unjust. A well composed blended whisky can be very fine indeed, Johnnie Walker Black being a readily available example.

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No one has mentioned IMR4831. My 1954 M70 always shot into an inch with 57grs and Sierra 130gr BTs.

IIRC Ed Matunas and some manuals listed IMR4831 as the accuracy powder for the .270 WCF.

Ed Matunas' recommeded loads always were remarkedly accurate. Almost like he worked up the loads specifically for my rifles.

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I agree that Mr. Matunas provided excellent loads in his manuals. Is he still around? I also agree that a few drops ONLY of pure water can be nice in Scotch whiskey but recently bought a bottle of "cask strength" of the Macallan: this potent elixer requires a bit more water than I would have previously thought. My own 270 load so far is 60 grains of H4831 and 130 grains of Ballistic tip.

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I gather that if a man wants to make up some loads for his .270, he needs to load a 130 grain bullet over H4831 @59-60 grains or I4350 @ 54-55 grains.

That is pretty straightforward....

I put mine together with 59.5 grains of H4831SC and a Hornady 130 grain Interlock.


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59 grains of H4831 has been my fav. load for 35 years now.....still going strong.


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My pre-64 Model 70 loves IMR 4831. My Rem mtn rifle loves H4831. I can live with that.


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I'm confused

You guys are putting 4831 in your Scotch ??? crazy


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Not much worse than ice.

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Originally Posted by mathman
Not much worse than ice.


NOOOOO!!! NO 4831 and NO ice. Maybe just a drop of water to bring out the flavor.

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The funny thing is I like Dalwhinnie (a relatively delicate whisky) with a small spot of water, but I like cask strength Laphroaig as it comes from the bottle.

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Originally Posted by CrimsonTide
I gather that if a man wants to make up some loads for his .270, he needs to load a 130 grain bullet over H4831 @59-60 grains or I4350 @ 54-55 grains.

That is pretty straightforward....

I put mine together with 59.5 grains of H4831SC and a Hornady 130 grain Interlock.


That is about the size of it but SC will work too.

Oh, a word of caution don't get the power amounts backwards on these powders. ANd don't ask me why I give this warning.
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Guys, guys,

My el cheapo Scorsby doesn't need any stimulants to bring out the flavor. I must admit though, a couple drams of H4831 might add a little "kick" to it.

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Come on man, that Zippo fluid ain't even on the same planet as the good stuff we're talking about. laugh

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Don't get confused with Jack O'Connors load of 62 grs. of 4831..He didn't use the same IMR or H 4831 of today..He used WW2 army surplus 4831. He got an extra 100 FPS or so over todays 4831s with less pressure...

I still use that powder and Jacks load in my .270 pre 64 Fwt. I bought a stainless steel 150 lb. canister packed in a wood crate, of the stuff from an old gunsmith some 30 years ago and I still have the canister and about 40 lbs. of powder..Great stuff and I only use it for my .270....I get 3251 FPS with the 130 gr. bullets and can reload those cases about 12 to 14 times..Too bad they have never been able to duplicate it..sometimes you can find a little of it for sale today and it will sometimes be listed as 4350 DATA powder according to something I read in some gun magazine..Mine states 4831..

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i wondered how long it would take someone to reply H4831 in the .270...goes together like vanilla ice cream and apple pie!


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Originally Posted by tsquare
RSY:

I even skip the 300 altogether. If the 270 with 130s, or 280 with 140s, or 30-06 with 165s aren't big enough, I jump to the 338. I went for a lot of years without a single 300 mag in my safe. I do have one there now, but haven't used it on anything but paper as yet. I also went several years without even at 30-06, but have used one a bit during the past three or four years. Frankly, I can't tell the difference in an animal hit with the 270, the 280 or the 30-06. They all seem to die at the same rate!

Tom


Actually, I wasn't trying to suggest the .300 WM, specifically. What I was trying to convey was my logic (which could be totally off the mark, admittedly) on "appropriate" weights in a given cartridge.

I tend to look at the relationship between sectional density and velocity. Based on that, the 130-gr. in the .270 WCF is basically akin to the 165-gr. in .300 Win.Mag. My point was that you won't hear anyone saying that 180-, 200-, and 220-grainers aren't useful in the Win.Mag., as was suggested above about bullets heavier than 130-gr. in the .270 WCF.

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RSY,

I did not mean to imply that bullet weights other than the 130 grain in the 270 weren't useful for some people. What I said was if I feel the need for more bullet weight than the 130 grain in my 270, I reach for a larger caliber, rather than a heavier bullet in the same caliber. I'm sure some folks find the heavier weight bullets in the 270 very useful, particularly if they don't have other rifles to use instead. Thankfully, I don't have that restriction.

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I hear what you're saying now. Understood.

Now, where'd my bottle of Old Smuggler go???

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H4831 is good, never liked the IMR version. However most of my 270 rifles have used the 150 grain Hornady's, Speers and Noslers. Only because they were used on deer and elk. Funny those 150 grain bullets seemed to kill the smaller critters pretty quick also. My load is 57.5 grains of H4831.


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I agree, the 150 gr. bullet is the best all around bullet in the 270. It works on about anything the 180 gr. 30-06 works on and thats a bunch of critters folks! smile The 130 is a crackerjack deer and antelope bullet and it will work on elk with broadside shots, which I never get, guess I'm too quick on the trigger to be on Television hunt show, all I do is yell "shoot you dumb 5#&^#@" as they watch a 400 plus elk wonder off through the quakes...:)

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The load of H4831 and the 130 Partition is the load he liked most. I agree he was likely using a slower batch particularly if you look at the pressures that he said the lab got on his loads.

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Originally Posted by rickt300
H4831 is good, never liked the IMR version. However most of my 270 rifles have used the 150 grain Hornady's, Speers and Noslers. Only because they were used on deer and elk. Funny those 150 grain bullets seemed to kill the smaller critters pretty quick also. My load is 57.5 grains of H4831.


57-59gr of H4831 for my 270's with 150 grainers. I have preferred the 150 grain bullets for a long time now.

My 270's never cared for Dupont 4831 either.......


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As your post stated old school loads may I suggest the 130 Remington Pointed Soft Point Core-Loct.

Definately old school and a dandy deer bullet ta boot.

http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=550411&t=11082005

One of several 270s in my safe.




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I don't mind Corelokt's at all. As a matter of fact, I wouldn't mind trading for a case of them with the same lot number on them. It would cut way back on my time spent at the loading bench though.


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Midway sells them by the 1k. Possibly all of the same lot# ??

Give 'em a call.


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The really old school factory 150 grain loads were a sort of hybrid mix of good and bad features. Deveolped as a dual purpose, easter whitetail, and heavier western game, the factory loads were slower than we load them now, but they worked pretty well for what we used 180 and 200 grain stuff for in the '06. Now, with the 150 grain Partition or equal, and a handful of 4831, 4350 or 7828 till the thing starts to group tightly, it's a load worth trying for elk and the like, even with non-broadside hits. It's still mo batch for the 300, 338, 358 and such for heavier game on straight away, close stuff shooting for heavier critters.

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Wayne, second that on the Partitons. Tried some 160s in my 1955 model ftw. and they rapidy became my goto load for me.

I've been shooting it for over fifty years and was surprised by their accuracy.


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I use 62 grains of H 4831 in front of 130 gr sst ' s. It shoots well.

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old thread popped up...wonder if anyone has tried the new Reloader 23 under 130's?


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I made up a woods load for my 270's using the Remington 150 gr round nose core lokt or Hornady and Hodgdon H-380 powder. Velocity was 2642 from a 22 inch barrel which closely duplicates the 300 Savage. Accuracy was a hair over an inch for 5 shots.

This load started my fondness for round nose bullets when a speedy extended range was load was not needed.

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Originally Posted by tex_n_cal
old thread popped up...wonder if anyone has tried the new Reloader 23 under 130's?
Or the r 16?Alliant says it is temperature stabilized.Data shows 130's3200 fps.

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I use the same load today that I've used for the past 30 years.....60 grains of H4831 and the Sierra 130 grain GameKing BT bullet. It will flat kill a deer.

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Originally Posted by southtexas
If that load doesn't happen to work, 54 or 55gr of IMR4350 is pretty well time proven, also.


I used 54.5 grains of IMR 4350 for years in a pre-war Model 70 with 130 grain bullets with great satisfaction. Not a max load, it chronographed about 2970 and shot bug hole groups...

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61 grains of H4831sc with a 130 grain Interlock gets me
3105fps out of a 23 inch-barreled BSA Imperial Featherweight, and groups just over an inch. It's a business-like load for a .270 and I don't mess around with it.
The rifle was made in 1958 and it's like a British version of a Winchester pre'64 - only much lighter; a true featherweight and ahead of its time.


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Guys I'm not going read all this thread FROM 2008 so I don't know if this load has been mentioned or not.

270 Win - 49 grs. IMR 4064, vel = +/- 2900 fps.

Less powder, less kick, very accurate for new shooters, wimmin, & rugrats.

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Old school powder charge but with new school bullet. I worked this load up for my daughter's 700 ADL. I haven't tried a TTSX still have about 100 of the TSX left. 130 BT's with 58.0 IMR 4831 shoot as good too.


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Love this old school thread. I picked up an old waxed cardboard box of Western Open Point Expanding 130 grain bullets a couple years ago. The plan is to take a deer with one of them. Old Jack wrote favorably of them they are kinda sketchy looking affairs. I have no doubt they will do the job though. Just need to get this new 270 dialed in with them.

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It was nice to review this thread and see old names. I remember seeing BobinNH ‘s post back then and chatting it up with him, comparing results of his load suggestions. Sure do miss that guy and his knowledge, not to mention his wit.


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I like old school IMR 4350 in my 270 with 130 Ballistic tips.

I like seeing threads that Bob posted!!

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I'm still partial to Reloader 22 in the .270, but it would be real interesting to try R23 and maybe even R26...


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Originally Posted by Godogs57
It was nice to review this thread and see old names. I remember seeing BobinNH ‘s post back then and chatting it up with him, comparing results of his load suggestions. Sure do miss that guy and his knowledge, not to mention his wit.


Yes, an enjoyable walk down memory lane.

A couple years ago a buddy showed up at the door with a brand new Ruger SS mk II in 270 and a box of 130 ballistic tips in his hand. What can we do with this?

I grabbed 100 pieces of deprimed, once fired 30-06 Lake City brass left over from shooting DMC. We ran them through a set of RCBS 270 dies still hanging around from 30 yrs ago, and primed them with CCI 250. Magic markered a bullet and adjusted COAL to leave a square impression from the lands. The dummy fit in the mag. GTG!

Then I set up the chronograph and shot a load with 55 gr of H4831. We worked up to 61 gr to make 3100 fps. The next five shots on a clean target went into 1.25 inches at 130 yds from the bench in front of my deck.

Load development finished for that rifle.


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Originally Posted by tominboise
59 grains of H4831 with the 130 Hornady is the classic.

Originally Posted by Plateau Hunter
My standard 'old classic' .270 load since about 1972 is 54.0/IMR 4350/130g Sierra. It has worked well on deer and given excellent accuracy. Plateau Hunter




No need to go any further.


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I prefer sticking to the traditional in the old .270, so load 48.0 grains of HiVel #2 with 130-grain Western Tool & Copper Works hollow-points.


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Originally Posted by Mule Deer
I prefer sticking to the traditional in the old .270, so load 48.0 grains of HiVel #2 with 130-grain Western Tool & Copper Works hollow-points.
laugh laugh

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Originally Posted by Mule Deer
I prefer sticking to the traditional in the old .270, so load 48.0 grains of HiVel #2 with 130-grain Western Tool & Copper Works hollow-points.


You musta bought the HiVel #2 from Ingwe...

grin


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Originally Posted by tex_n_cal
Originally Posted by Mule Deer
I prefer sticking to the traditional in the old .270, so load 48.0 grains of HiVel #2 with 130-grain Western Tool & Copper Works hollow-points.


You musta bought the HiVel #2 from Ingwe...

grin


Or from the guy Ingwe sold it to.

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My T3x is partial to 61g of H4831sc with 130 Interlocks or Partitions. Velocity is 3100fps. I was surprised by its COAL preferences: Interlocks like 3.22 and Partitions like 3.25. Every gun is different.....

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My T3x is partial to 61g of H4831sc with 130 Interlocks or Partitions. Velocity is 3100fps. I was surprised by its COAL preferences: Interlocks like 3.22 and Partitions like 3.25. Every gun is different.....

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I have a pound of R22 that will have to be tried in something. When it cools a bit might get around to a workup.


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John, I knew this was the case. But, could you quantify "a lot?" And also at what temps. I imagine here in Texas it's a pretty moot point for me, anyway.

I used 61.5 R22/150NBT from a 280 AI one February, in Leakey, Texas for a Corsican ram. The bolt was stuck, took a bit of slamming with my hand to get it out. I killed the ram, of, but these loads were too hot for the high 70's I was in. I had worked up the load in Utah, October, around 5000ft. I later used 76gr R22/180 xbt 300WM in Namibia with no issues at all. It was 20deg at night and 120deg at noon! I'm thinking case capacity, etc, may show different results. I like to hunt late season ( cold) here so I am too OCD NOT to use a temp stable powder anymore, ha.

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Just finished and 59.5-60.0 RL 23 are 3/8-1/2” with 129 barnes LRX. 24” pre garcia sako. No pressure signs but no need to push at these levels. 3.34 nosler once fired and fed 210 primers.

Worked up from 58.0.

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What is your speed ( if not chronoed, SWAG?) I like R23 with the 150 NBT.

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SWAG based on POI compared to 130 nosler accubond factor spec is 3050-3100.

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I have also worked up loads with my 280ai and the 139-145 barnes lrx and found that pressures began at 1-2 grains LESS than good loads with H4831sc. Using the same bullets, brass, primers etc.

Surprised!

The 270 loads noted herein are about the same as with H4831sc.

It seems info and RL 23 are both very scarce! Be careful!

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Old school must be war surplus 4831 and 130 grain Nosler partitions...fill'em up until the primers flatten.
I was there watching my Uncle, as a kid in the late 60's
The Husqvarna seemed to handle it.

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Old school...use 130’s and H4895 or the more “modern” Varget. You will get close to 3000 and reduced recoil.



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Wow, this thread got bumped out of the basement, didn't it? Appreciate the many replies and the levity, to boot.


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Great thread with a lot of great classic loads.

However, it’s 2020 and RL 26 really wakes up the old 270 Win...
Here’s my recent experience working up loads for 5 different guns, with over 1000 rds of development.
3300 fps+ with the 129/130’s (LRX, NBT, SST, NPT, and others convention C&C from Speer, Hornady, and Sierra)
3100-3150 fps with the 145/150’s (ELD-X, Fusion, NPT, SST, etc)
No pressure signs at those velocities, as I worked 5 shot groups up in 0.2 gr increments until I saw the first sign of pressure.
20” and 22” barrels (I got 3150 fps out of my BAR 20” with 145 ELD-X)
Hornady and Winchester (pre-1995) brass
80F
Velocities confirmed with a magnetospeed and in very good alignment with Quickload.
I could always find a high velocity combination that shot under 3/4” at 100 yds.

I still load a lot of H4831SC for my 270’s, but find it beats up brass in my gas guns even at moderate charge weights, so I found it necessary to load them light (<57 gr H4831SC with 130s) or change to faster burning H4350.

For that reason, I’m now almost exclusively loading RL26 in those autos, and have solved this issue. RL26 acts like a slow burning powder from a velocity standpoint, but cycles like a fast burning powder. Go figure.

In summary, RL26 gives 150-200 fps improvement over H4831SC for the same bullet in my bolt guns. For my 2 gas guns (BAR and 7400), I’m getting 400 fps faster due to H4831SC cycling issues limiting the H4831SC max charge.
It really shines in the heavy weight class (145/150).
Maintains high velocity even in short barreled sportsters
With SDs typically <12
And good accuracy

Get some RL26 and see for yourself. But be careful, as the speed is addictive and it’s not always good to push a cup and core bullet over 3000 fps impact velocity.

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Stammster, would you care to share your 130g loads? I’m a fan of RL26 in a 7STW and 270wsm, but haven’t played around with it in the ol 270. Presently loading H4831 with 130 Interlocs/Partitions At 3100fps in a Tikka.

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As requested for 130gr. I’ve truncated a lot of the data in order to show what I feel is the most relevant load data instead of the complete set.

270 Win
BAR MK2 20” bbl with 3-9X Leupold VX Freedom CDS
Chamber length 0.003 over SAAMI min
130 SST Superformance Factory 3030 fps avg
130 SST 60gr H4831SC Rem brass COAL 3.23” 2990 fps avg. No signs pressure, but I stopped load development here due to damage case rims due - semi-auto cycle problems. I’ve since backed off to 58 gr at 2800 fps for best group size while saving my brass.
130 SST 60gr RL26 Hornady brass COAL 3.23” 3024 fps avg
130 SST 61gr RL26 Hornady brass COAL 3.23” 3126 fps avg
130 SST 63.5gr RL26 Hornady brass COAL 3.23” 3220 fps avg
130 SST 63.8gr RL26 Hornady brass COAL 3.23” 3245 fps avg - slight pressure signs - DO NOT LOAD
130 NBT 60gr H4831SC Fed brass COAL 3.32” 2951 fps. No signs pressure, but same case rim damage
130 NBT 60gr H4831SC Hornady brass COAL 3.32” 2920 fps avg. No signs pressure, same case rim damage.
130 Sierra 1830- very similar to NPT
130 Speer 1458 - very similar to NPT, but a 30 fps faster.

This gun is currently getting a work up with H4350 and IMR-4064, as I shoot it only in Texas, 50-150 yds, for hogs and pigs only. No point wasting RL26, and the SSTs and NBTs seem to perform better with < 3000 fps impact velocity. It shoot 0.7 MOA at best with lots of loads and the worst it ever does is 2 MOA.


Win M70 pre-64 FWT (1953)
22” bbl
Chamber length also 0.003” over SAAMI min
130 SST 60gr H4831SC Rem brass COAL 3.23” 3060 fps avg
No signs pressure. Max not found. This is a 0.5 MOA load.
130 NBT 60gr H4831SC Fed brass COAL 3.32” 3013 fps avg
129 LRX 60gr RL26 Win brass COAL 3.32” 3120 fps avg
129 LRX 62gr RL26 Win brass COAL 3.32” 3250 fps avg
129 LRX 63.1gr RL26 Win brass COAL 3.32” 3301 fps avg. Very slight flattened primer. No extra bolt lift. This is a 0.060” jump.
129 LRX 63.3gr RL26 Win brass COAL 3.32” 3318 fps.
Slightly flattened primer. Slight bolt lift. DO NOT LOAD.
I had to load hot, as the other node was only at 60 gr and group sizes opened up at 61 and 62 gr, but kept shrinking as I increased from there.
130 NPT, 62.7gr RL26 Win brass COAL 3.32” 3221 fps avg Very slight flattened primer. No extra bolt lift.
130 NPT 62.9gr RL26 Win brass COAL 3.32” 3245 fps avg. slight bolt lift. DO NOT LOAD.

This is my favorite 270 Win. It wears a B&L Balvar 8A, and is a classic. The 129 LRX shoot lights out at sub 0.6 MOA at 3300 fps, and will be my Western US pronghorn setup. Currently sighted in 3” high at 100 yds and is a dead hold to 375 yds. 130 NPT shoots 0.8 MOA, as a backup/deer load.

I won’t share my Rem 7400 info, as that chamber is 0.002” under SAAMI max chamber length. It also doesn’t cycle well with RL26 above 61gr or H4831SC above 58 gr. Due to the large chamber volumes, I’m also not getting anywhere near the above velocities per charge weights. It usually takes 0.5-0.7 grains more. It is a shooter though, as long as I can keep the forearm screw tight. Otherwise POI varies 10” vertically. This gun also hangs up feeding any bullet with an exposed lead tip.

My new Kimber 84L with Leupold 4.5-14X is right at SAAMI min chamber specs, and most of what I’ve loaded up is 145/150 class. For the 130’s I’ve shot, I’ve only shot factory loads. It has a 24” bbl. 145 ELD-X and 150 Partitions are the focus, as 500-600 yd elk load. Lots of promise so far.

My other M70 pre-64 FWT is a 1962 and is 0.005” over SAAMI min chamber, and shoots the same loads as my other M70. However it is approx 10-15 fps slower given the same load. It also doesn’t shoot as tight for some reason. The throat is slightly longer also, which might be the issue. For most of the .277 bullets, mag well length is my limiting factor and and I’m not able to get closer than 0.050-0.060” to the lands. This gun does like factory Hornady American whitetail 130’s better than any handload I ever fed it. This will be my son’s whitetail rifle when he gets a little older, and wears a 1989’s gloss VX2 3-9. He’s not getting the other M70 270 FWT until I die.


General observations / comments (based on more data than listed above)
1.) For same charge weight and bullet type, I found brass mfg makes a difference due to case capacity. Slowest to fastest in my 270 Win experience = Winchester, Hornady, Federal, Remington. Therefore, I found that a load that is at max in Winchester brass, will almost certainly be over max with Remington brass.
2.) I found that the deeper I seated the bullet, the higher the pressures and velocities you will get, and visa versa. Not all bullets were the same length of the same weight. Therefore, don’t just just take COAL measurements.
3.). Bullet type / mfg also effects pressure / velocity, mostly due to bearing surface. The LRX is a perfect example, as the relief grooves seem to lower the pressures vs other bullets.
4.). Chamber size is also critical. A chamber at SAAMI min size will give higher pressures and velocity than those reamed longer, for the exact same combination of components.
5.). I used the same lots of powder (respectively per mfg) in each test. Your charge weights results to achieve the same velocities will likely differ.
6.). Shorter barrels generate less velocity and pressures for the same load. Therefore the loads at max in a 20” bbl will likely be over max in longer barrels.
7.). I try to jump all bullets 0.010” to start, never jammed, but I do seat bullets with a cannelure at the case mouth for esthetics and leave them there if they shoot well. Then fine tune from there. For most of these 270’s, mag well length is the issue and many start at 0.030”+.
8.) I don’t crimp.
9.) Velocities and group sizes usually with 5 shots.


Additional:
1.) All charges were thrown with a RCBS Charge Master and double checked with a secondary electronic scale with 0.01gr resolution.
2.) Velocities recorded by Magnetospeed Sportster
3.) Temp 65-80F for all data collected. Use caution if above these temperatures, as a load that is at max here, will certainly be above max at higher temps.
4. I generally use Rem 9-1/2 primers in my Rem brass, and WLR in all the rest. My lots give similar velocities between the two. CCI gave about 15-20 fps slower. I have not used them with RL26 though.
5.) To keep things simpler in the future, my Remington brass is going to stay with the 7400. The BAR is getting the Hornady brass, and the Winchester’s and Kimber is getting the Winchester brass. I’ve also weight sorted it all, especially the Winchester where I know I’m going to be pushing the enveloped. Federal brass all went to a buddy of mine. I’m still waiting on Starline to send me some sample brass in 270 Win.

Now that the temps have dropped here in Texas, I’m going to reshoot some 130 Partitions and work up some cheap Sierra’s and Speer’s in my BAR to find max velocity and best group sizes in the next week or so. Been reloading all summer during this COVID lockdown. Also lots of seating depth tests to see if I can get some of the loads to shoot any better.

Then it’s on to figure it out in a few new 30-06’s.




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The very first center fire cartridge I ever used was my dad's 300 savage, but the 1st one I ever owned was a 270 in an M70 with a Weaver K4. I got my 1st 270 in 1968 or 69. The very first center fire rifle I ever built was also a 270, made on a Mauser and it's now on it's 3rd barrel and working towards a 4th.

I have owned nine 270s in my life and I still own 3. One is a Winchester Lever Action M95, one if the old Mauser I made back as a teen, and the last one is a classic Mauser I made for myself about 20 years ago.

I have had 2 other Mausers I built, another 270 in a 1956 made M70 Winchester, a Herders BSA import, a Ruger #1, and a Browning BAR. Of those I no longer have, the one I shot the most was one of the other Mausers I had set up with a peep sight. But I can't count how many rounds of 270 Winchester ammo have fired. Safe to say,,,,,,a bunch.

4831 in both H and IMR, as well as IMR4350 and the discontinued AA3100 are all great 270 powders..

I prefer 150 grain bullets for most use, but my older Mauser which has barrel #3 in it, for whatever reason likes the 130 grain bullets weight a lot better.

I can't say for sure how accurate my M95 lever action is because I can't shoot it any better then about 1-3/4" at 100 with the buckhorn and bead, but with 150 grain ammo I can hit about any target I can see with it to about 350 yards. I use 150 grain Round Nose bullets in that rifle. So far I can say I have never shot at any game with it I have not killed, and so far I have never needed to shoot more then one round at any game animal either, so the lack of a scope is not helping the animals much.

My oldest Mauser, (made over 50 years ago and on barrel #3) is the one that likes130s and with a batch of old Remington 130 gr Core-lokts (still have 700 left from the 70s) and a full charge of H4831 it shoots about 1 MOA. With the same load I can get 5/8" with 130 Nosler Partitions.

My "newer Mauser" is zeroed for 150 grain Nosler Partitions and a load of 3100 and shoots about 5/8" also. With 160 grain Noslers and a load of H4831 I get about 3/4". I have switched back and forth between those 2 bullets and can't say a single bad thing about either one.

So looking at what was written in the pages before, I can't say could add much here. LOTS of good advice in those pages.

I have loaded other powders at one time or another in my 270s with bullets as light as 90 grains, and the heaviest I ever used with the old 170 grain Speers. (I killed only 1 elk with one of those, but it worked quite well) I have used H414/WW760, 4064, 3031, RL-19, RL-22 and H1000.

But if I am asked "what powder should I get for my 270"? I would say get one can each of H4831, RL19 and 4350. Try all 3 in your gun. If it doesn't shoot well with one of those 3 it probably is not going to shoot well with anything.
Most 270s shoot very well with what they like, and it's an easy shell to get good accuracy from.

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Originally Posted by Stammster
As requested for 130gr. I’ve truncated a lot of the data in order to show what I feel is the most relevant load data instead of the complete set.

270 Win
BAR MK2 20” bbl with 3-9X Leupold VX Freedom CDS
Chamber length 0.003 over SAAMI min
130 SST Superformance Factory 3030 fps avg
130 SST 60gr H4831SC Rem brass COAL 3.23” 2990 fps avg. No signs pressure, but I stopped load development here due to damage case rims due - semi-auto cycle problems. I’ve since backed off to 58 gr at 2800 fps for best group size while saving my brass.
130 SST 60gr RL26 Hornady brass COAL 3.23” 3024 fps avg
130 SST 61gr RL26 Hornady brass COAL 3.23” 3126 fps avg
130 SST 63.5gr RL26 Hornady brass COAL 3.23” 3220 fps avg
130 SST 63.8gr RL26 Hornady brass COAL 3.23” 3245 fps avg - slight pressure signs - DO NOT LOAD
130 NBT 60gr H4831SC Fed brass COAL 3.32” 2951 fps. No signs pressure, but same case rim damage
130 NBT 60gr H4831SC Hornady brass COAL 3.32” 2920 fps avg. No signs pressure, same case rim damage.
130 Sierra 1830- very similar to NPT
130 Speer 1458 - very similar to NPT, but a 30 fps faster.

This gun is currently getting a work up with H4350 and IMR-4064, as I shoot it only in Texas, 50-150 yds, for hogs and pigs only. No point wasting RL26, and the SSTs and NBTs seem to perform better with < 3000 fps impact velocity. It shoot 0.7 MOA at best with lots of loads and the worst it ever does is 2 MOA.


Win M70 pre-64 FWT (1953)
22” bbl
Chamber length also 0.003” over SAAMI min
130 SST 60gr H4831SC Rem brass COAL 3.23” 3060 fps avg
No signs pressure. Max not found. This is a 0.5 MOA load.
130 NBT 60gr H4831SC Fed brass COAL 3.32” 3013 fps avg
129 LRX 60gr RL26 Win brass COAL 3.32” 3120 fps avg
129 LRX 62gr RL26 Win brass COAL 3.32” 3250 fps avg
129 LRX 63.1gr RL26 Win brass COAL 3.32” 3301 fps avg. Very slight flattened primer. No extra bolt lift. This is a 0.060” jump.
129 LRX 63.3gr RL26 Win brass COAL 3.32” 3318 fps.
Slightly flattened primer. Slight bolt lift. DO NOT LOAD.
I had to load hot, as the other node was only at 60 gr and group sizes opened up at 61 and 62 gr, but kept shrinking as I increased from there.
130 NPT, 62.7gr RL26 Win brass COAL 3.32” 3221 fps avg Very slight flattened primer. No extra bolt lift.
130 NPT 62.9gr RL26 Win brass COAL 3.32” 3245 fps avg. slight bolt lift. DO NOT LOAD.

This is my favorite 270 Win. It wears a B&L Balvar 8A, and is a classic. The 129 LRX shoot lights out at sub 0.6 MOA at 3300 fps, and will be my Western US pronghorn setup. Currently sighted in 3” high at 100 yds and is a dead hold to 375 yds. 130 NPT shoots 0.8 MOA, as a backup/deer load.

I won’t share my Rem 7400 info, as that chamber is 0.002” under SAAMI max chamber length. It also doesn’t cycle well with RL26 above 61gr or H4831SC above 58 gr. Due to the large chamber volumes, I’m also not getting anywhere near the above velocities per charge weights. It usually takes 0.5-0.7 grains more. It is a shooter though, as long as I can keep the forearm screw tight. Otherwise POI varies 10” vertically. This gun also hangs up feeding any bullet with an exposed lead tip.

My new Kimber 84L with Leupold 4.5-14X is right at SAAMI min chamber specs, and most of what I’ve loaded up is 145/150 class. For the 130’s I’ve shot, I’ve only shot factory loads. It has a 24” bbl. 145 ELD-X and 150 Partitions are the focus, as 500-600 yd elk load. Lots of promise so far.

My other M70 pre-64 FWT is a 1962 and is 0.005” over SAAMI min chamber, and shoots the same loads as my other M70. However it is approx 10-15 fps slower given the same load. It also doesn’t shoot as tight for some reason. The throat is slightly longer also, which might be the issue. For most of the .277 bullets, mag well length is my limiting factor and and I’m not able to get closer than 0.050-0.060” to the lands. This gun does like factory Hornady American whitetail 130’s better than any handload I ever fed it. This will be my son’s whitetail rifle when he gets a little older, and wears a 1989’s gloss VX2 3-9. He’s not getting the other M70 270 FWT until I die.


General observations / comments (based on more data than listed above)
1.) For same charge weight and bullet type, I found brass mfg makes a difference due to case capacity. Slowest to fastest in my 270 Win experience = Winchester, Hornady, Federal, Remington. Therefore, I found that a load that is at max in Winchester brass, will almost certainly be over max with Remington brass.
2.) I found that the deeper I seated the bullet, the higher the pressures and velocities you will get, and visa versa. Not all bullets were the same length of the same weight. Therefore, don’t just just take COAL measurements.
3.). Bullet type / mfg also effects pressure / velocity, mostly due to bearing surface. The LRX is a perfect example, as the relief grooves seem to lower the pressures vs other bullets.
4.). Chamber size is also critical. A chamber at SAAMI min size will give higher pressures and velocity than those reamed longer, for the exact same combination of components.
5.). I used the same lots of powder (respectively per mfg) in each test. Your charge weights results to achieve the same velocities will likely differ.
6.). Shorter barrels generate less velocity and pressures for the same load. Therefore the loads at max in a 20” bbl will likely be over max in longer barrels.
7.). I try to jump all bullets 0.010” to start, never jammed, but I do seat bullets with a cannelure at the case mouth for esthetics and leave them there if they shoot well. Then fine tune from there. For most of these 270’s, mag well length is the issue and many start at 0.030”+.
8.) I don’t crimp.
9.) Velocities and group sizes usually with 5 shots.


Additional:
1.) All charges were thrown with a RCBS Charge Master and double checked with a secondary electronic scale with 0.01gr resolution.
2.) Velocities recorded by Magnetospeed Sportster
3.) Temp 65-80F for all data collected. Use caution if above these temperatures, as a load that is at max here, will certainly be above max at higher temps.
4. I generally use Rem 9-1/2 primers in my Rem brass, and WLR in all the rest. My lots give similar velocities between the two. CCI gave about 15-20 fps slower. I have not used them with RL26 though.
5.) To keep things simpler in the future, my Remington brass is going to stay with the 7400. The BAR is getting the Hornady brass, and the Winchester’s and Kimber is getting the Winchester brass. I’ve also weight sorted it all, especially the Winchester where I know I’m going to be pushing the enveloped. Federal brass all went to a buddy of mine. I’m still waiting on Starline to send me some sample brass in 270 Win.

Now that the temps have dropped here in Texas, I’m going to reshoot some 130 Partitions and work up some cheap Sierra’s and Speer’s in my BAR to find max velocity and best group sizes in the next week or so. Been reloading all summer during this COVID lockdown. Also lots of seating depth tests to see if I can get some of the loads to shoot any better.

Then it’s on to figure it out in a few new 30-06’s.





Re item 6: How does the length of the barrel affect pressure?

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stammster said above ^^^^

"Shorter barrels generate less velocity and pressures for the same load. Therefore the loads at max in a 20” bbl will likely be over max in longer barrels. "

Redux:
mathman said...."Re item 6: How does the length of the barrel affect pressure?"

The ? is only per PRESSURE. we know longer barrels produce MORE velocity. -- pressure ? ? ?

Jerry


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For the same load, shorter barrels develop less velocity. If you want to up the velocity, you need to up the pressure - by adding more powder...or changing to a faster powder. I think we are all in agreement.

Now come the question on pressure. Try this in QL with a slow burning powder like RL26. Keep all conditions the same and shorten the barrel length. Velocity and max pressure drop. Then adjust the powder charge to match the previous peak pressure in order to increase the velocity (safely). For the 270Win at 65,000 psi, a shorter barrel allows for a few more 1/10th of a grain before reaching this pressure. Note: Make sure you have 100% burn before the bullet exits the barrel though or all bets are off.

I realize many are going to disagree, and in full disclosure I am not a ballistician. These are only my observations.

This is a great thread, and I don’t want to go sideways. My only point being that the short barrel data I provided above should be used with caution if you are going to try it, and work up cautiously. Also short barrels chambered in 270 Win can still perform well when it comes to velocity, especially with RL26.

On a side note, whatever powder they use in the Hornady Superformance factory 270 Win loads has the least amount of velocity loss per inch of barrel change of any powder I’ve come across.

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Nope. Shorter barrels don't develop less velocity because of less pressure. By that I mean the kind of pressure that causes hard bolt lift, sticky extraction and a safety issue in general.

It is because they truncate the length of the cylinder in the piston-cylinder system that is the bullet-barrel arrangement. The work done by expanding gas moving the bullet (which manifests as velocity) is described by an integral. If P is pressure and v is volume,then the work W is W = Integral of P(v)dv. By shortening the barrel you shorten the interval of integration. Since the integrand is nonnegative this results in a smaller value of W. Less work done means lower resulting velocity.

Peak pressure, the kind that causes problems when in excess, occurs relatively early in the bullet's travel down the bore. If you develop a load resulting in hard bolt lift and expanded primer pockets using a 26" barrel and cut the barrel to 20" you'll still get hard bolt lift and expanded primer pockets along with less velocity.

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"Try this in QL with a slow burning powder like RL26. Keep all conditions the same and shorten the barrel length. Velocity and max pressure drop."

This is yet another reason I quit using QL a few years ago. Despite many people believing the program is "reality," it is merely a computer simulation that does not always reflect reality in several ways, especially pressure--as several ballistic laboratories have learned over the years.


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Originally Posted by Mule Deer
"Try this in QL with a slow burning powder like RL26. Keep all conditions the same and shorten the barrel length. Velocity and max pressure drop."

This is yet another reason I quit using QL a few years ago. Despite many people believing the program is "reality," it is merely a computer simulation that does not always reflect reality in several ways, especially pressure--as several ballistic laboratories have learned over the years.

Yikes. How is that real? Who wrote that code?


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Originally Posted by tsquare
Mathman: Since so many references have been made to Jack O'Connor here on this thread, I'll have you know that Cactus Jack drank Passport scotch, which you now besmirch! Seriously, Passport was old Jack's drink of choice.

Me, I drink Scoresby. I like it so much, I even named one of my labs Ebony's Duke of Scoresby, Duke for short. For the uninformed, Scoresby is nothing but J&B that is shipped to this country in the barrel and bottled here. J&B is bottled in Scotland. That and about 50% more money is the only difference I can tell.

My kids insist on giving me some single malt that costs a fortune and I can't even pronounce for birthdays and father's day, etc. I think they do it because they know that I won't drink it and it's available to them when them come for a visit. I won't drink anything that I can't pronounce, a cardinal rule in the Turpin house. In fact, I think I'll go have a Scoresby right now!

Tom


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A very wise Man !!!


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Originally Posted by RinB

Old school...use 130’s and H4895 or the more “modern” Varget. You will get close to 3000 and reduced recoil.


Old school, maybe ? but

cry waaa, cry waaa cry waaa


grin grin grin

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Originally Posted by mathman
Nope. Shorter barrels don't develop less velocity because of less pressure. By that I mean the kind of pressure that causes hard bolt lift, sticky extraction and a safety issue in general.

It is because they truncate the length of the cylinder in the piston-cylinder system that is the bullet-barrel arrangement. The work done by expanding gas moving the bullet (which manifests as velocity) is described by an integral. If P is pressure and v is volume,then the work W is W = Integral of P(v)dv. By shortening the barrel you shorten the interval of integration. Since the integrand is nonnegative this results in a smaller value of W. Less work done means lower resulting velocity.

Peak pressure, the kind that causes problems when in excess, occurs relatively early in the bullet's travel down the bore. If you develop a load resulting in hard bolt lift and expanded primer pockets using a 26" barrel and cut the barrel to 20" you'll still get hard bolt lift and expanded primer pockets along with less velocity.

Peak Pressure v. Area Under the Curve.

Very correct.




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Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

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Sorry if this load has been previously written. 58 gr of H4831SC under the Hornady 140 gr sp.


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Originally Posted by husqvarna
It would be hard to not go with Jack O'connor's combo of H4831 and a 130 gr. bullet. His loads were a little heavier than most published today; modern H4831 may be a little faster than the surplus powder he was using. Fiftynine grs. of current H4831 is probably close to perfect.
I think JOC may have gone as high as 62 gr. with 130's. Agree that the slightly faster, newer H-4831 may be equivalent at around 59 gr.

I have some vintage H-4831 that I got back in the '60's. It came in paper bags in a divided cardboard box. The paper became brittle and I transferred the powder into empty plastic powder bottles, labeled them with a Sharpie. Powder still smells good, no brown dust and it still shoots good. I do keep it in a climate controlled shop.

I've used 60 gr., never pushed it to Jack's max.

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Just a note that 4831 did not have a H prefix during that time. The H came several years later.


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Originally Posted by Dirtfarmer
I've used 60 gr., never pushed it to Jack's max.

60.0 gets me to 3,100 fps in a 24" bbl. Good enuff 4 me

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Originally Posted by MuskegMan
Originally Posted by Dirtfarmer
I've used 60 gr., never pushed it to Jack's max.

60.0 gets me to 3,100 fps in a 24" bbl. Good enuff 4 me

That’s such a reliable load in most guns it’s crazy it works so well. I’ve seen folks try 56-57 and never push it a couple grains higher. The lower charges shoots like poo, but cranked up a little it really comes together.

The latest was my BIL’s late P64. Stunk till it started to get upwards in charge then really came alive.


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Originally Posted by tsquare
All,

I don't know how many 270 chambered rifles I've owned over the years, but it has been several. I presently have four in the safe; a custom pre-64 Model 70, a Remmy 700 Light Mountain Rifle with a composite stock, a custom job built by Don Allen using a Heym SR-20 barreled action, and my old standby David Miller Co Mauser action rifle. All four have 22" barrels. My load for three of the rifles is 59.5 grains of H4831 pushing any good 130 grain bullet. My David Miller rifle chronographs at 3130 fps with this load. It is the fastest of the four. One rifle, the Allen custom using the Heym barreled action, shows mild pressure signs with this load, and for it, I've cut back to 58.0 grains.

I've found in all my 270s over the years, that if they wouldn't shoot H4831 well, they wouldn't shoot anything. I don't shoot anything but 130 grain bullets in my 270s, and if I feel the need for more bullet weight than that, I reach for a bigger cartridge. It just seems to me that the 270 and 130 grain bullets just go together like biscuits go with milk gravy, ham goes with eggs, and scotch goes with water!

Tom


15 years later this is an even more impressive stable of .270s

Wow.

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Originally Posted by Mule Deer
There is a theory among some Scotsmen that just a touch of water allows the flavors to be released a trifle.

Of course, perhaps they are simply Scotsmen and want to make their whisky go a trifle further. It would be more chemically effective, however, to add just touch of vodka, which is just water and alcohol.

Tsquare, thanks for the info on the Scoresby. I am more of an Irish whisky drinker these days, but still take a wee dram now and then.


Don’t ever let anyone bully you about a big ice rock or couple drops of water in your Scotch or bourbon.

There are broken molecular bonds from the manufacturing process that the small amount of H2O makes whole.


Interesting article here:

https://www.tastingtable.com/1202510/what-really-happens-when-you-dilute-whiskey-with-water/

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I've been loading 150g Partitions in my late 60s vintage BDL (22" barrel) to just over 3000 fps for 40 years, gave it to my younges son 10 years ago. I use Rem brass fire formed (i only neck size), CCI 250 primers and H4831 (lots of it) smile No pressure signs, load the cases 10 times then toss them.


Regards,

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My old school 270 loads consisted of IMR 4831 & H4831.... my new school 270 loads are all RL-26


Originally Posted by Judman
PS, if you think Trump is “good” you’re way stupider than I thought! Haha

Sorry, trump is a no tax payin pile of shiit.
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Kinda off topic but I once purchased some old-school .270 Win ammo, loaded by JOC himself! This was late 70s, from a sporting goods store in Lewiston ID that had bought a bunch of stuff from his estate. I gave the .270 to a friend of mine who had one, but he never shot it. It had the old-style Nosler Partition bullets with the groove in them. I also bought a couple boxes of 7x57 handloads. One of those had the name Bradford written on the inner box in pencil. W-W brass. Bradford was his son. They had quite a few other items from his estate including as I recall some rifles. I was a poor college student then and could only afford the handloads. The estate also donated a bunch of his big game mounts to the University of Idaho. I saw that stuff in a storage room; they had not taken the time to put it on proper display yet. I wonder if the U of I still has those.

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Shot a buck yesterday with a 130 Interlock fueled by 54 grains of R17. 50 yard dash looked like someone took a paint brush dipped in a 5 gallon bucket.

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Originally Posted by fortymile
Kinda off topic but I once purchased some old-school .270 Win ammo, loaded by JOC himself! This was late 70s, from a sporting goods store in Lewiston ID that had bought a bunch of stuff from his estate. I gave the .270 to a friend of mine who had one, but he never shot it. It had the old-style Nosler Partition bullets with the groove in them. I also bought a couple boxes of 7x57 handloads. One of those had the name Bradford written on the inner box in pencil. W-W brass. Bradford was his son. They had quite a few other items from his estate including as I recall some rifles. I was a poor college student then and could only afford the handloads. The estate also donated a bunch of his big game mounts to the University of Idaho. I saw that stuff in a storage room; they had not taken the time to put it on proper display yet. I wonder if the U of I still has those.


There is an actual small museum full of mounts, book, and other historical JOC stuff. Stopped in when I was on a sturgeon fishing trip in Hells Canyon. It was pretty cool.

https://jack-oconnor.org/

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Good thread

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Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.

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[/quote] There is an actual small museum full of mounts, book, and other historical JOC stuff. Stopped in when I was on a sturgeon fishing trip in Hells Canyon. It was pretty cool.

https://jack-oconnor.org/[/quote]

I first visited the museum in 2007, as an off-shoot of a tour of the Speer/CCI factory. It's well worth visiting, but the Jack O'Connor Hunting Heritage and Education Center also holds an annual fund-raiser weekend each year, usually in May or June. It includes a small gun show, which usually includes some of Jack's (and his wife Eleanor's) rifles not in the museum, thanks to exhibitors who were his friends. His son Brad and his wife Anne also usually attend.

Unfortunately, this year we were again invited but due to other reasons, at the last minute couldn't make it. But it's well worth attending, especially during the gun show.


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Originally Posted by Sandlapper
Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.
Thanks for that information. In Mister Rifleman (published around 1965 after his death in 1961) chapter titled "Is There An All-Round Hunting Rifle" under the heading The .270 Winchester on page 247 he discusses the 140 grain Western Tool & Copper Works bullet. Would you happen to know the barrel length of his .270 to get 3000 fps (I assume 24")?

Last edited by Riflehunter; 11/19/23.
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55gr/H4350, Hdy Interloks in my std ‘55 M70 gives 3000fps, bugholes (over book but zero pressure signs)

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Originally Posted by SteveO
Originally Posted by Mule Deer
There is a theory among some Scotsmen that just a touch of water allows the flavors to be released a trifle.

Of course, perhaps they are simply Scotsmen and want to make their whisky go a trifle further. It would be more chemically effective, however, to add just touch of vodka, which is just water and alcohol.

Tsquare, thanks for the info on the Scoresby. I am more of an Irish whisky drinker these days, but still take a wee dram now and then.


Don’t ever let anyone bully you about a big ice rock or couple drops of water in your Scotch or bourbon.

There are broken molecular bonds from the manufacturing process that the small amount of H2O makes whole.


Interesting article here:

https://www.tastingtable.com/1202510/what-really-happens-when-you-dilute-whiskey-with-water/
That explains why I prefer a double JW Black and a single cube of ice

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Originally Posted by Riflehunter
Originally Posted by Sandlapper
Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.
Thanks for that information. In Mister Rifleman (published around 1965 after his death in 1961) chapter titled "Is There An All-Round Hunting Rifle" under the heading The .270 Winchester on page 247 he discusses the 140 grain Western Tool & Copper Works bullet. Would you happen to know the barrel length of his .270 to get 3000 fps (I assume 24")?

Those data were probably for a 24" barrel, like Whelen's Model 54.


I asked about the 140-grain bullets because the book states, "I got slightly better accuracy with the 140-grain Western Tool & Copper Works bullet, and that is the bullet I have used for all the big game I have shot with it. That bullet is no longer made."

However, in "Hunting Tips and Tales" by Colonel Townsend Whelen (The American Rifleman, August 1941) it states:

My favorite big-game rifle for the past fifteen years has been a .270 Winchester Model 54, fitted with a 2 1/4-power Zeiss Zielklein scope with Griffin & Howe mount. Five years ago I had the bolt handle turned down, mount lowered, and a side safety fitted, thus practically turning it into a Model 70. I also had John Hutton restock it with a very tight bedding and high Monte Carlo comb. It is a very fine rifle under practically any conditions. I have shot only one moose and two deer with it, all at close range, and all with one shot each. At boulders in my pasture at unknown distances I find I can make surer hits at longer ranges than with any other rifle I own. If I were off to the wilderness tomorrow I would take this rifle with me. It does its best work with a hand load consisting of the 130-grain Western Tool & Copper Works bullet and 49 grains of duPont No. 4320 powder. In factory ammunition I have found the Winchester cartridge loaded with 130-grain pointed expanding bullet to be the best.

Given the discrepancy could the "140" possibly be a typo?


Western Tool & Copper Works bullets in 100, 130, 145-grain weights are mentioned in the Field and Stream article below, but not 140 (have seen 95-grain mentioned elsewhere).

https://archive.org/details/sim_field-stream_1927-12_32_8/page/50/mode/2up

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Originally Posted by Sandlapper
From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.

The "Winchester has standardized their factory load with 139-grain bullet to give M.V. 3160 f.-s." doesn't seem right. Seems it would be a 130-grain bullet at 3160?

[Linked Image from i.imgur.com]

"As a propellant Winchester uses 55.5 grains DuPont I. M.R. powder No.15 1/2. The bullet weight is 130 grains. Muzzle velocity 3160f.s."

https://archive.org/details/sim_field-stream_1927-12_32_8/page/52/mode/2up

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55 grains of IMR 4350 and a 130 Partition shoots really well in the three 270’s I own.

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Yep, that's another good one--as I believe was mentioned by me way back when this thread started.

In the NULA .270 Eileen hunted with for around a decade, the primary load was 55.0 IMR4350 and the 130-grain Nosler Partition. It grouped OK, under 2"--at 300 yards when she shot it to confirm the POI at that range....


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Originally Posted by Sandlapper
Originally Posted by Riflehunter
Originally Posted by Sandlapper
Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.
Thanks for that information. In Mister Rifleman (published around 1965 after his death in 1961) chapter titled "Is There An All-Round Hunting Rifle" under the heading The .270 Winchester on page 247 he discusses the 140 grain Western Tool & Copper Works bullet. Would you happen to know the barrel length of his .270 to get 3000 fps (I assume 24")?

Those data were probably for a 24" barrel, like Whelen's Model 54.


I asked about the 140-grain bullets because the book states, "I got slightly better accuracy with the 140-grain Western Tool & Copper Works bullet, and that is the bullet I have used for all the big game I have shot with it. That bullet is no longer made."

However, in "Hunting Tips and Tales" by Colonel Townsend Whelen (The American Rifleman, August 1941) it states:

My favorite big-game rifle for the past fifteen years has been a .270 Winchester Model 54, fitted with a 2 1/4-power Zeiss Zielklein scope with Griffin & Howe mount. Five years ago I had the bolt handle turned down, mount lowered, and a side safety fitted, thus practically turning it into a Model 70. I also had John Hutton restock it with a very tight bedding and high Monte Carlo comb. It is a very fine rifle under practically any conditions. I have shot only one moose and two deer with it, all at close range, and all with one shot each. At boulders in my pasture at unknown distances I find I can make surer hits at longer ranges than with any other rifle I own. If I were off to the wilderness tomorrow I would take this rifle with me. It does its best work with a hand load consisting of the 130-grain Western Tool & Copper Works bullet and 49 grains of duPont No. 4320 powder. In factory ammunition I have found the Winchester cartridge loaded with 130-grain pointed expanding bullet to be the best.

Given the discrepancy could the "140" possibly be a typo?


Western Tool & Copper Works bullets in 100, 130, 145-grain weights are mentioned in the Field and Stream article below, but not 140 (have seen 95-grain mentioned elsewhere).

https://archive.org/details/sim_field-stream_1927-12_32_8/page/50/mode/2up

“The .270 Can Do Great Things” by Jack O'Connor

"Further to complicate the picture, bullets weighing 100, 120, 140, and 160 grains were available
from Fred Barnes before the war, and bullets weighing 95, 100, 130, and 150 grains were
manufactured by the Western Tool & Copper Works."

https://jack-oconnor.org/wp-content/uploads/2019/04/JackOConnor-2012-1stQtr-newsletter.pdf

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Originally Posted by Sandlapper
Originally Posted by Riflehunter
Originally Posted by Sandlapper
Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.
Thanks for that information. In Mister Rifleman (published around 1965 after his death in 1961) chapter titled "Is There An All-Round Hunting Rifle" under the heading The .270 Winchester on page 247 he discusses the 140 grain Western Tool & Copper Works bullet. Would you happen to know the barrel length of his .270 to get 3000 fps (I assume 24")?

Those data were probably for a 24" barrel, like Whelen's Model 54.


I asked about the 140-grain bullets because the book states, "I got slightly better accuracy with the 140-grain Western Tool & Copper Works bullet, and that is the bullet I have used for all the big game I have shot with it. That bullet is no longer made."

However, in "Hunting Tips and Tales" by Colonel Townsend Whelen (The American Rifleman, August 1941) it states:

My favorite big-game rifle for the past fifteen years has been a .270 Winchester Model 54, fitted with a 2 1/4-power Zeiss Zielklein scope with Griffin & Howe mount. Five years ago I had the bolt handle turned down, mount lowered, and a side safety fitted, thus practically turning it into a Model 70. I also had John Hutton restock it with a very tight bedding and high Monte Carlo comb. It is a very fine rifle under practically any conditions. I have shot only one moose and two deer with it, all at close range, and all with one shot each. At boulders in my pasture at unknown distances I find I can make surer hits at longer ranges than with any other rifle I own. If I were off to the wilderness tomorrow I would take this rifle with me. It does its best work with a hand load consisting of the 130-grain Western Tool & Copper Works bullet and 49 grains of duPont No. 4320 powder. In factory ammunition I have found the Winchester cartridge loaded with 130-grain pointed expanding bullet to be the best.

Given the discrepancy could the "140" possibly be a typo?


Western Tool & Copper Works bullets in 100, 130, 145-grain weights are mentioned in the Field and Stream article below, but not 140 (have seen 95-grain mentioned elsewhere).

https://archive.org/details/sim_field-stream_1927-12_32_8/page/50/mode/2up
The "140 grain" would not be a typo. I say this because I remember he also wrote something to the effect that the 140 had better sectional density and thus better penetration than the 130 and that is why he preferred the 140 and later the 150 over the 130. I will try to find where he wrote that in the next few days.

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Note also that "139" is probably a mistake. The velocities correspond with 130 grain advertised velocities and also 3000 fps corresponds with 140 grain velocities. With the "139" someone was probably thinking of the 139 grain 7mm bullet.

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Ruger #1 in 270 Winchester
140gr Hornady SSE with 52.0gr of IMR4350

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My deer load of 56.5gr H4831SC and a Hornady 150 killed a coyote at 30 feet. So there’s that. 🫤

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Originally Posted by Sandlapper
Originally Posted by Sandlapper
Originally Posted by Riflehunter
Originally Posted by Sandlapper
Originally Posted by Riflehunter
Townsend Whelen's favorite load in the .270 was using the 140 grain Western Tool & Copper Works bullet, until they stopped making that bullet. Would anyone happen to know the velocity he was getting? I assume it was approx. 3000 fps. as that was the velocity J.O'C said he (J.O'C) got when using the 140 grain bullet.

Where was the 140-grain Western Tool & Copper Works bullet being Townsend Whelen's favorite mentioned?


From "An Introduction to Reloading Part V: Loads" by Townsend Whelen (The American Rifleman, 1936):

.270 W.C.F.: Winchester has standard-
ized their factory load with 139-grain bul-
let to give M.V. 3160 f.-s. Other com-
panies load to about 100 f.-s. lower veloc-
ity. My experience has been that hand-
loaders cannot approach close to these
velocities without decidedly running into
high and dangerous pressures. Due to the
danger of running into high pressures with
this cartridge I would caution against using
any case that has ever been fired with a
mercuric primer. Use the F.A. No. 70,
Remington No. 8 1/2, or Winchester No. 115
primers. My best loads have been the 139-
grain Winchester or Western Tool and
Copper Works bullets with 53 grains of
du Pont No. 15 1/2 powder, which gives
M.V. of about 3,000 f.-s.; and the 145-
grain W. T. and C. bullet or the 150-grain
Western soft-point bullet, with 48 grains
of du Pont No. 15 1/2 powder, giving about
2700 f.-s. M.V. These seem to be the
maximum safe charges, because increasing
either by only one-half grain begins to
show clear indication of high pressure. I
tried du Pont No. 17 1/2 powder, but it did
not give nearly as good accuracy, and I do
not believe it gave such high velocity in
safe charges. Both of the above loads are
very accurate, practically all groups going
under 2 inches at 100 yards, with many as
small as 1 3/4 inches. I think that probably
the new du Pont No. 4064 powder will
prove even better than No. 15 1/2, but I do
not know of its having been tried as yet.
In any event, start low with any new pow-
der in this cartridge, and work up a half-
grain at a time.
Thanks for that information. In Mister Rifleman (published around 1965 after his death in 1961) chapter titled "Is There An All-Round Hunting Rifle" under the heading The .270 Winchester on page 247 he discusses the 140 grain Western Tool & Copper Works bullet. Would you happen to know the barrel length of his .270 to get 3000 fps (I assume 24")?

Those data were probably for a 24" barrel, like Whelen's Model 54.


I asked about the 140-grain bullets because the book states, "I got slightly better accuracy with the 140-grain Western Tool & Copper Works bullet, and that is the bullet I have used for all the big game I have shot with it. That bullet is no longer made."

However, in "Hunting Tips and Tales" by Colonel Townsend Whelen (The American Rifleman, August 1941) it states:

My favorite big-game rifle for the past fifteen years has been a .270 Winchester Model 54, fitted with a 2 1/4-power Zeiss Zielklein scope with Griffin & Howe mount. Five years ago I had the bolt handle turned down, mount lowered, and a side safety fitted, thus practically turning it into a Model 70. I also had John Hutton restock it with a very tight bedding and high Monte Carlo comb. It is a very fine rifle under practically any conditions. I have shot only one moose and two deer with it, all at close range, and all with one shot each. At boulders in my pasture at unknown distances I find I can make surer hits at longer ranges than with any other rifle I own. If I were off to the wilderness tomorrow I would take this rifle with me. It does its best work with a hand load consisting of the 130-grain Western Tool & Copper Works bullet and 49 grains of duPont No. 4320 powder. In factory ammunition I have found the Winchester cartridge loaded with 130-grain pointed expanding bullet to be the best.

Given the discrepancy could the "140" possibly be a typo?


Western Tool & Copper Works bullets in 100, 130, 145-grain weights are mentioned in the Field and Stream article below, but not 140 (have seen 95-grain mentioned elsewhere).

https://archive.org/details/sim_field-stream_1927-12_32_8/page/50/mode/2up

“The .270 Can Do Great Things” by Jack O'Connor

"Further to complicate the picture, bullets weighing 100, 120, 140, and 160 grains were available
from Fred Barnes before the war, and bullets weighing 95, 100, 130, and 150 grains were
manufactured by the Western Tool & Copper Works."

https://jack-oconnor.org/wp-content/uploads/2019/04/JackOConnor-2012-1stQtr-newsletter.pdf
Sandlapper, the reference to the better sectional density I mentioned is on page 247 of Mister Rifleman. However, it is in relation to the 150 grain Sierra versus the 130 grain bullet, not the 140 grain bullet and 150 grain bullet versus 130 grain bullet as I thought. In the section Rifleman's Battery his Model 54 .270 and 130 grain Western Tool & Copper bullet is stated as best in that rifle. On page 165 he mentions the 140 grain Modern Gun Shop bullet as being most accurate in the majority of .270 rifles. However, unless Western Tool & Copper did actually make a 140 grain .270 bullet at one point in time, I would think that you are correct and the reference to the 140 grain Western Tool & Copper bullet should really be the 130 grain Western Tool & Copper bullet. You did well to pick that up!

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The 139-grain mistake was strange. Checked twice to make sure I wasn't reading it wrong or just crazy—even checked the following issue for a retraction!

Whelen had the correct 130 grain at 3160 in The Hunting Rifle (1940). In this book he also states, "I have used other loadings of this cartridge only enough to know that I should very much prefer the three specific cartridges mentioned above for use in this rifle," referring to the 100, 130, and 150-grain loadings.

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Am still using the Sierra Gameking 130 grain BTSP on top of H4831 or H4831SC in my Browning BBR .270! Don’t fix it if it isn’t broken 🤷‍♂️

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Originally Posted by filmjunkie4ever
Am still using the Sierra Gameking 130 grain BTSP on top of H4831 or H4831SC in my Browning BBR .270! Don’t fix it if it isn’t broken 🤷‍♂️

For sure. Deer fetcher of the first order.


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Originally Posted by beretzs
Originally Posted by filmjunkie4ever
Am still using the Sierra Gameking 130 grain BTSP on top of H4831 or H4831SC in my Browning BBR .270! Don’t fix it if it isn’t broken 🤷‍♂️

For sure. Deer fetcher of the first order.

Got my cow elk with it last year too.

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Re-read this whole thread again.

Mule Deer, What are your thoughts on Ramshot powders in the 270WCF?

When I was still working. I loaded up 60gr of H4831sc under a 130gr NBT, TSX, TTSX, and GMX. Always had these on hand for any 270 WCF rifle that might wander into the gun safe. Could always find one, if not two loads that would shoot. So that is my go to load.

Way back when I started hunting, we had a friend that reloaded for Dad's 760 and my 700 BDL. 55gr IMR 4350 was the load. Put many a deer/antelope in the freezer with that load.

Now that I have time, I am working up individual loads for my various 270's.

Rel 26 (60gr) has worked very well with 145gr ELD-X(1:10 twist) and 155gr Barnes LRX (1:8 twist) in two different rifles.
Basphemous for a looney, but factory 130gr Norma loads are shooting very well in a Husqvarna 270 that I have.
Hunter (55.4gr) worked well with 140gr NAB Silvertips out of yet another 270 I own.

Been messing around with yet another 270 (classic FWT) in an Oregunsmithing stock. 100 CX, 110TSX, 129 LRX, and 130gr. Using Big Game, Hunter, and H4831 SC. Going to try Hunter with 130gr CX next. After hunting season is over.


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