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Re: IMR 4320? [Re: gnoahhh] #14337360 12/04/19
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Originally Posted by gnoahhh
I might be the only guy alive who never loaded a drop of 4320. No reason, just the way it worked out over 50 years of experimenting with darn near every other powder under the sun. Strange.


That makes two of us. I actually have 4 or 5 pounds of it in the older metal IMR cans, and have just never used it. My only excuse is that I dislike metering 3031 and 4064 and just mentally lumped 4320 in the same category, but reading here, sounds like that was a mistake. I'll have to load some up and try it since I have a bunch of cartridges it should work in.

One of the comments above about 4320 metering like ball powder has me curious, and I can't check till I get home. Does it really meter that well? Must be a really short cut powder then I'd guess?

BP-B2

Re: IMR 4320? [Re: Yondering] #14337364 12/04/19
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It has very small grains.

Try some in a 308 with a 150/155 grain bullet.


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Re: IMR 4320? [Re: JamesJr] #14337556 12/04/19
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Originally Posted by JamesJr

When I first began to reload for the 270 Winchester, I used JOC's famous 60.0 of H4831 and a 130 grain bullet. After putting the powder in the first case, and seeing how full it was, and realizing that the bullet would be seating on top of it, I became concerned. Called a neighbor who did quite a lot of reloading and he said not to use that much powder, because I'd blow me and the rifle both up. He used 4064 in everything he reloaded for, and I remember looking up the load he have me to try, and it was below the listed starting load for a 270.

Anyway, I finished loading my 270 rounds as I'd started, loaded the rifle up, put the rifle on one side of a tree with me behind it, and pulled the trigger. I probably killed close to 50 whitetails with that load, and never a sign of pressure. The neighbor also killed a pile of deer with his rifle and 4064 load, so it worked for him as well.



I don't mean to be surly. What does this load H 4831 have to do with 4320 *** other than the discrepancy between loading data.

Again not to be nitpicking but JOC's load was NOT with ***H 4831*** he was using SURPLUS 4831. That powder was LEFT OVER from WWII. I shot POUNDS of surplus 4831 AT 62 grains. YES you can get it in a 270 case.

Later Hodgdon's began PRODUCING H 4831 and it went thru some (at least 2-3) manufacturing changes.

Seriously I'm only trying to prevent or clear up any confusion.
No offense at all.

Jerry


jwall- *** 3100 guy***

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I choose to be OVER gunned.
Re: IMR 4320? [Re: auk1124] #14337624 12/04/19
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actually , the JOC load was 62 gr of surplus H4831 with 130 s . WW cases


the fact that it would be a compressed load was immaterial


before the surplus stuff was available , he did use a load of 4064.....

Re: IMR 4320? [Re: Mule Deer] #14337962 12/04/19
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[quote=Mule Dee He had a simple RCBS press mounted on board across the back of one of his small house's closets, where he did all the loading for his two rifles, a sporterized South American Mauser .30-06, and a Savage 99 .250-3000. [/quote]

Exactly how I started, only it was a Pacific press and the rifles were a 788 .222 and a Ruger 77 V .25-06.



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Re: IMR 4320? [Re: auk1124] #14338001 12/04/19
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I thought it was gonna be the schizz in my .375 Weatherby when I was doing initial load development.

I tried several different charge weights, in 1 grain increments. The loads were running from 8-15 fps extreme spread !!! Incredible consistency !!! Yet I couldn't get under 3" for 5 shots at 100 yards. For whatever reason, my rifle hated the stuff.

Never tried it in anything else.


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Re: IMR 4320? [Re: CascadeJinx] #14338019 12/04/19
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Originally Posted by CascadeJinx
Originally Posted by Reloder28
34 gr IMR 4320, 120 gr Nosler BT in my 6.5 JDJ (225 Winchester case) was a dream.


What kind of muzzle velocity were you getting with that 34.grn load and the 120 Nosler BT? Just wondering because your loads were way lighter than I was trying; but evidently gave you satisfactory accuracy. Maybe that is the direction I need to try with the IMR 4320 powder. But the Nosler on line data shows more than 34 grains as the starting load (actually shows 43.0 gains IMR 4320 as a start load for the 120 gr BT at 2758 fps MV)!

CJ



43 gr in a 6.5 JDJ?! I don’t see that fitting a 225 Winchester case especially seating a 120.

Was getting 2400 fps from a 14” Contender barrel.


A fool does not delight in understanding, but only in expressing his own mind....Proverbs 18:2
Re: IMR 4320? [Re: auk1124] #14338118 12/04/19
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.308 150 gr and 7 x 57 140 gr. Nosler BTs.

Re: IMR 4320? [Re: sdgunslinger] #14338269 12/04/19
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Originally Posted by sdgunslinger
actually , the JOC load was 62 gr of surplus H4831 with 130 s . WW cases


the fact that it would be a compressed load was immaterial


before the surplus stuff was available , he did use a load of 4064.....


Yes, you are correct about 62 grs. I have it in several magazines that JOC wrote the articles.
It's often misquoted.


Yes about 4064 also. I got his load , 49 grs under 130s = +/- 2900 in 22" blls.

Jerry


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Re: IMR 4320? [Re: auk1124] #14338325 12/04/19
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I have a 7x57 that likes the Barnes 140 gr TTSX pushed by 44 grains of IMR 4320.

Last edited by roundoak; 12/04/19.

You're Welcome At My Fire Anytime



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Re: IMR 4320? [Re: auk1124] #14338935 12/05/19
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I have had decent results with IMR 4320 and with my .22-250 Rem. and .358 Win. CP.

Re: IMR 4320? [Re: jwall] #14339165 12/05/19
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Originally Posted by jwall
Originally Posted by JamesJr

When I first began to reload for the 270 Winchester, I used JOC's famous 60.0 of H4831 and a 130 grain bullet. After putting the powder in the first case, and seeing how full it was, and realizing that the bullet would be seating on top of it, I became concerned. Called a neighbor who did quite a lot of reloading and he said not to use that much powder, because I'd blow me and the rifle both up. He used 4064 in everything he reloaded for, and I remember looking up the load he have me to try, and it was below the listed starting load for a 270.

Anyway, I finished loading my 270 rounds as I'd started, loaded the rifle up, put the rifle on one side of a tree with me behind it, and pulled the trigger. I probably killed close to 50 whitetails with that load, and never a sign of pressure. The neighbor also killed a pile of deer with his rifle and 4064 load, so it worked for him as well.



I don't mean to be surly. What does this load H 4831 have to do with 4320 *** other than the discrepancy between loading data.

Again not to be nitpicking but JOC's load was NOT with ***H 4831*** he was using SURPLUS 4831. That powder was LEFT OVER from WWII. I shot POUNDS of surplus 4831 AT 62 grains. YES you can get it in a 270 case.

Later Hodgdon's began PRODUCING H 4831 and it went thru some (at least 2-3) manufacturing changes.

Seriously I'm only trying to prevent or clear up any confusion.
No offense at all.

Jerry



Yet another 'Fire post not entirely germane to the discussion:

I got my introduction to handloading back in the mid-60's as a budding rifle loony, working part-time in the LGS doing grunt labor at the loading press in the back room. The owner had a tidy little business going doing "custom loading" for the local hunters. They would bring him their empty brass (mostly .30-06) and he (I) would reload them for a couple bucks per box. The drill: resize/deprime, re-prime, dip the primed case into a 25 pound keg of Surplus 4831, strike off the excess with a butter knife, and crunch a 150 grain bullet down on top of it. Never a complaint, and those loads had the local reputation of being real killer-dillers- business was brisk. He assured me that it was impossible to get too much of that powder in a .30-06 case so as to cause problems. Obviously I have no clue as to how much pressure was generated, but evidently it wasn't horrific.

We (he) sold a sh*t ton of that Surplus 4831 for $1/pound that we (I) packaged in paper sacks. That stuff fed my own loading efforts for years. I discovered that nearly a case full made a good load in .30-40, 7x57, and even .30-30*. Imagine my delight when I found a few pounds of the stuff squirreled away in my Dad's estate, leftovers from when he and I bought many a pound of that $1 a pound powder. I still have some, used mainly for occasional "nostalgia" loading, and when I get a chance I'll scoop a case full and weigh it just to see what the hell we were doing back then.

Note: DO NOT try this trick at home kids, at least not with current H-4831 or IMR-4831! Might be ok, but without pressure testing means I'm clueless.


*I still sometimes load H-4831 in .30-30, with a 210 grain cast bullet. Works a treat. (And no, I don't just scoop it in!)


"You can lead a man to logic, but you cannot make him think." Joe Harz
Re: IMR 4320? [Re: auk1124] #14340475 12/05/19
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I use it with 150gr bullets in my '06 and 139gr bullets in my 7x57. Works well and has produced accurate loads.

Re: IMR 4320? [Re: auk1124] #14340518 12/05/19
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Many years ago, a former member of the Army rifle team told me to use IMR4320 in the 22-250 behind any bullet I wanted to use.

Been using it ever since with no reason to try anything else. The accuracy is that good.

Also, I use it in 223 loads with the 50-55 grain bullets.

I seriously don't think the powder gets the respect it deserves.


Most peoples' lives pass them by while they're making grand plans for it.
Re: IMR 4320? [Re: auk1124] #14340585 12/05/19
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I too have loaded it in the 22-250 with 52gr Speer HP's same powder and bullet in the 222 Rem also. works well in both.


After the first shot the rest are just noise.

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Re: IMR 4320? [Re: auk1124] #14343845 12/06/19
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.30/06 with 150 grain bullets.

.22/250 with 55 & 60 grain bullets.

.222 Remington with 55 grain bullets.

IMR4320 is similar to 4064 and 4895, has even smaller kernel size than 4895 so it meters well.

Re: IMR 4320? [Re: auk1124] #14343855 12/06/19
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Anybody here know much about the temperature sensitivity of IMR4320? How bad (sensitive) is it in some of the combinations it's good for?

Re: IMR 4320? [Re: auk1124] #14344064 12/06/19
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A friend who shoots a lot of silhouette told me IMR 4320 is too temp sensitive for him to rely on. The original, non-Enduron IMR powders seem to be pretty sensitive to temps based on my experience and what I've been told. IMR 4350 is the least temp sensitive of the original IMR bunch--but still more temp sensitive than a lot of other powders.


Casey

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Having said that, MAGA.
Re: IMR 4320? [Re: auk1124] #14349915 12/08/19
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I've used it for years in 22-250 and 6.5/257R


Go Broncos!
Re: IMR 4320? [Re: auk1124] #14351222 12/08/19
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The 35 Whelen with the 225 Partition does really well with IMR 4320.


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