Powder suggestions

Snowbird

Well-Known Member
Joined
Jan 17, 2015
Messages
178
Location
Salt Lake City, Ut
I'm going to load for a suppressed 20" bbl 270wsm with 156gr hammer hunters and want to get the most out of it I can. For my purpose, accuracy trumps speed but I don't want sub 270win speeds either. In a previous 24" bbl this rifle shot well with slow burning powders like imr7828. In a 20" bbl I feel like there'd be too much unburnt powder barking out the muzzle. I still have some h4831 and a little h4350 but am willing to look around for some others.

So, what powder would get the most complete burn in this situation?
 

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