I have worked down from 10gr of trail boss to 7.4gr to get to 1050fps in my 18" Bergara 308 using Roberts cast 151 hp's.
I have read that 70% of max charge is the recommended minimum charge. 7.4gr...
Type: Posts; User: Muddyundy
I have worked down from 10gr of trail boss to 7.4gr to get to 1050fps in my 18" Bergara 308 using Roberts cast 151 hp's.
I have read that 70% of max charge is the recommended minimum charge. 7.4gr...