Powder recommendations for 243 and 105amax/bthp

[SaulGoodman]

Looking to get some powder recommendations for a 243 1:8 twist shooting both 105 amax and bthp. I know each barrel is different but I was looking to see what you guys have had good luck with for my starting point

 

[stacy]

H-1000 WORKS WELL FOR ME WITH 105 BERGERS

 

[germanlongbow]

Reloader 22 or 25 worked great in my 243 AI behind 105 Bergers 1x8. Shoot RL 25 behind 115 dtacs 1x7.5 once I burned out the 105s going 3300 fps. A bit hard on brass and barrel. Scott

 

[TerryPohl]

I have 5 more days in the Gulf and will PM you my load I use in my wife’s 243, that is exactly what I shoot in it, it has a 26’’ 8 twist Krieger on it also.

Terry Pohl

 

[Zero333]

Following loads are for 105amax, 105horn.bthp & 107smk.

43 - 43.3 gr of H-4831/H-4831sc, Win brass, 210m primer.

48 - 48.5 gr of Retumbo, win brass, 215m primer.

46.4 gr of RL-25, Win. brass, 210m primer.

H-4831/h-4831sc never failed me in any 243win barrel. But for pure speed you may want a different powder because H-4831 never shot bugholes for me at max pressures.

thank me later

I shoot a Shilen 26" 8 twist, Savage Short action, HS3 chassis, Bush. XRS glass.

 

[1lnbrdg]

I'm shooting N160 or N165 in a 6SLR (think .243 with a 30deg shoulder), 30" barrel. Both work well. I love the price of the Hornady 105's!

 

[wbm]

Reloader 17

 

[Dgd6mm]

I just pulled my 6MM Competition Match barrel off today. Yesterday I fire formed 100 pieces of brass for my next barrel. I used H1000 thru the life of this barrel. My last ten shot group yesterday measured 1.084" at 215 yards, the round count is a staggering 5100+. Tomorrow I screw on an X-Caliber .243 1-8 twist. It will get a steady diet of H1000 with the Hornaday 105 bthp. The barrel life and accuracy should be good, simply because I have witnessed success from other shooters running this combo with decent barrel life of 3000+.

 

[Eric Leonard]

I have a Stiller Tac 30 with a 28 inch Krieger 8 twist .236 in straight 243 Win with freebore set to seat the 105 VLD orange box bullets at 2.840 with a .020 jump,,it is in an AICS 1.5 Chassis with the spigot mount Atlas bipod and running 5 and 10 round AICS mags,,topped with a 8-32 Sightron SIII MOA-2 in the Barrett 15-40 moa adjustable rings,,

shooting the 105 VLDH with 41.5 H4350 is getting me just over 3200 fps and enough accuracy that I made 18 of 20 hits on 10 inch gong at 1,020 yards last time I had it out,,

as is weighs about 18.5 lbs but it is a blast to shoot prone and can hang with some much larger calibers pretty far out,,

 

[SaulGoodman]

Great info. Thank you for all the replies gents

 

[nashlaw]

I have been shooting the heavies in .243 since I rediscovered the medium bore after shooting .30 cals for years.

IMR or H4350 under a 105 make bitty groups. As a nots, I noticed no difference in accuracy when using either version of this powder.

 

[hunter243sgk]

I run imr 4350 and hybrid-100 with the 105 a-maxes. Both do well but the h-100 is a bit faster and more accurate in my gun. Hope this helps you good luck!!