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Federal 210m versus the CCI #34 primers

MrOneEyedBoh

Sergeant
Full Member
Minuteman
Nov 23, 2011
546
7
38
Maryland, USA!
I have used 210m primers before but someone local has some #34 CCIs... I was wondering if the primer would alter the round THAT much? possible? Would the #34s work on a 308 that goes out to 1000yds? Im pushing a 175 SMK, and still trying to figure out my grain count...