300wm Favorite Powders?

JTH

Well-Known Member
Joined
Dec 15, 2012
Messages
102
Location
Wisconsin
74.5 grains of H4350 pushing a 178 grain Absolute Hammer at 3230 FPS out of a 24“ barrel, grouping 0.4 moa at 200 yards. Awesome terminal performance. Easy to tune for accuracy.
 

sextonds

Well-Known Member
Joined
Jan 21, 2021
Messages
206
Location
Kentucky
190gr ABLR with 74grains IMR 7828 SSC. As long as barrel is cool, I can get under 1” groups at 250. Once barrel gets hot it opens up to 2-3”
 

DartonJager

Well-Known Member
Joined
Apr 1, 2016
Messages
692
My life long friend, hunting and reloading partner has had great success with RL22 and 180 and 200 Nosler PART's and AB's.
I sincerely wish your friend best of luck finding Fed 215M's and RL22. Brass and bullets he should be OK.
 

MagnumManiac

Well-Known Member
Joined
Feb 25, 2008
Messages
2,892
For 180-200gr pills within 500, RE25, H1000 & RETUMBO work very well.
For pills above 200gr, RETUMBO or H1000 are my go-to powders.
RE25 works very well with all bullet weights of 165gr and higher. It is a little temperamental at max loads, so be cautious.
I am finding RETUMBO to work very well with 210gr ABLR in my 300WM Sendero so far, right out to 1000.

Cheers.
 

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