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Hornady 100s are just fine for deer, I have taken several with them...

when I first got a 260, this was before load data was available.. so one had to sort of work it off of 6.5 x 55 load data...

I knew IMR 4064 to be very accurate in the Swede, so I just carried it over and worked up.. both my Rem VLS and my Ruger 77 seemed to both like the load, with whatever brand 100 grain bullet I used... I tested other but both liked 4064 the best...

later Nosler came out with their recommendations in their newer reload manual... and they recommended a charge of 43 grains of it, (IIRC)... my charge that I worked up was half a grain higher, so I gathered I was in the ball park...

it was accurate and flat shooting...

oh, and when they were finally shot over the chronograph, the MV out of the Ruger 77 Mk 2, was 3350 fps with a 22 inch stainless barrel....

the Rem VLS had a 26 inch barrel.. that one did get a little throated out to be able to shoot 140 grain bullets.. so the throat isn't factory... but out of a 26 inch barrel, the 43.5 grains of IMR 4064 is clocking 3450 fps consistently...

that load seemed to better my other loads with Varget, Rl 15, and a host of others...including H 414, BLC2 and W748...

the Sierra 100 grain HP is another one I have used that said varmint bullet on the box, but it downs deer just fine also...

and if you use reduced loads, it shines even a little better...


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My chrony got here yesterday and I made it to the range before dark last night.

First up was the 100 BT with Varget. I worked up to the book max of 43.0 and got 3164, 3162, and 3185. The group went into 1.25". I wanted the 100s to go faster BUT the damn things finally shoot worth a crap!

Then the 120 BT with Hunter powder. I worked up to the book max of 48.0 and got 3026, 3036, and another 3036. The group was almost the same, about 1.25" again.

In the Big Game Info ballistics calculator, the trajectory is very similar out to 400 yards, with the 120 taking the speed and energy numbers. They both offer an MPBR of about 300 yards so I think the 120 is the way to go. For deer and antelope anyway.

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I tried Varget, RL15 and H4350 in my .260 Ti and found no joy. Finally settled in on 47.5g H414 and 100g Nosler Partition, CCI 200 at 3150 fps. Runs 1/2"- 3/4" for 3 shots if I let the barrel cool. H414 was listed in several articles as a top powder for light bullets in the .260.

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In my first - a 6.5-308 by Pac-Nor, I ran H414 ALOT, 100BTs and 129 Hornady's. Did real well.

Re: 129 SPs, the bullet has a relatively short bearing surface, so gets really good speeds more like 120s than 140s fwiw.

Last thing, If you are using Rem brass, consider this:

Winchester 7/08, just run thru die to squeeze neck to 6.5.

My rifle shot 123s in WW708 brass, under .2 w/a 6x scope at 100yds.

I have also shot Federal 708 and 308 brass put the first 2 of 3 into ONE hole w/130ABs, from a Sako 75 sporter, at 200 yds, w/a 6-20x Leupy, and did it Back to Back right after the bbl cooled. Rem brass did not.

I believe brass choice can shave about .2-.3 off, maybe more...

There is always Lapua for more $$$, an option. 1.25 is not bad at all for a big game rifle. I bet it will put the first shot out of a cold bbl within 1/2-3/4" from POA everytime if no bedding issues. Perhaps closer.

MOST of my kills are 1st shot, so 1st shot cold bore accuracy is more often KEY, vs. groups, on game anyhow.

Good luck, looks like you are making good progress!

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Been playing with 95's in my Faux Ti, 120TTSX next. Fingers crossed....
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Should have no problems getting the 120s to shoot in your rifle, might consider RL17 and 19 as well.

I suspect you are using a factory 1:9 twist tube, it will likely shine w/120-130gr. Some do fine thru 142s as well, but I like the former weights.

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Not sure why you want to use the 100 grain bullets so bad on big game. I have seen several messes with them on antelope. I mostly shoot them at coyotes and use target bullets. With 100 grainers and 108 Lapuas, I use Varget, Big Game and R15. I tried Benchmark and nearly blew my gun up. I called Hogdons and talked to them about this "starting" load and it disappeared from their loading data!!! BE CAREFUL with Benchmark in large cases (compared to BR cases).

My go-to bullet for deer and antelope has been 120 Sierra Game Kings. I recently shot a large bear with 140 Sierra Game Kings. Both work pretty darn good, shoot good and are reasonably priced, unlike the ballistic tips.


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Dennis,

I had some bad experience trying to follow their overzealous load recommendation on that one with the 95 grain V Max...using Benchmark...

Benchmark performs just fine in the 260.... one just has to be leary of some of the load data floating around for it..

it was pretty optimistic...or else a misprint that just got overlooked...

just work up is all fellow handloaders need to do.. no news there...

I tried it with 120 grain Ballistic tips and it did a FINE job for accuracy and decent velocity also... 2900 fps range IIRC...

but I am a 4064 and RL 15 fan in the 260, so that is what I shoot the most of in them..


"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

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What's the take on H4831SC and 120 TTSX's? Have some on hand to try, but I gotta say...the little "crunches" when seating the bullet make me a tad nervous. Having flashbacks to my old 38 Super...

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I've shot many compressed loads in .260s using H4831 or SC with bullets from 120 to 140gr. and have observed no adverse effects. As long as you aren't exceeding book max, aren't seeing pressure signs, and your velocities aren't unexpectedly high, you should be fine.

John


If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14
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personally I can't see anyone being able to get enough H4831 or SC in a 260 case, regardless of bullet weight to achieve overpressurization of the case...

regardless of how compressed the load may be...


"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez

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4831 is way too slow to be useful with 100 grain bullets in the 260 Rem. I think it is too slow for 140s myself. I would be more inclined to try H414 than 4831. If I stuck with a rat turd powder, it would be Varget or 8208 or 4007.


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Running 100gr BT's over H4350 in mine, avg 3160fps...this is my coyote load.

For deer and such, I prefer 130gr AB's over H4350 for 2850fps...

1:8 twist 21" barrel...

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I get a nice balance of speed and accuracy with H4831 and the 100 grain bullets in 20", 22", and 24" barrels. I use a drop tube so that I can get 50 grains of H4831 to settle in the case.

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With my 260AI and a 22" barrel, I get 3350 fps with 108 Lapuas using R17. I hit 3400 but decided it was too hot. This, with Lapua brass.


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I tried 44 grains of IMR 4350 with a 140 Rem Corelokt in the Ruger... and decided, why change a good thing...other bullet weights its 4064...

That is running 2750 fps in a 22 inch barrel...

Last edited by Seafire; 08/24/12.

"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez

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My bear load is a 140 Sierra Game King @ 2850 fps. Tried it out last week grin


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My Remington Mountain Rifle likes the Barnes TTSX 100 grainers using H414. I haven't shot anything with this combination yet. I've used the Sierra 120's in it and it worked well. One downside, if there is one, of having too many rifles (whatever that is) is choosing which to hunt with the coming year! LOL!


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I shot my first antelope with a 120 SGK out of my 260 Rem. Range was 300+. Goat just sat down like a dog after the shot and then after a few seconds, fell over dead.


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Originally Posted by dennisinaz
My bear load is a 140 Sierra Game King @ 2850 fps. Tried it out last week grin


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Nice bruin, details please.

My .260 has a thing for the 120's, it likes NBT's, Bergers and SMK's. Shot a group @ 300 the other day with the SMK's and H414 that went a bit over 1.25".

Dober


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