unless you are hotrodding the load..it SHOULDNT make a hell of a lot of difference...if you are right up on edge of pressure or using a very small volume case however...all bets are off.
unless you are hotrodding the load..it SHOULDNT make a hell of a lot of difference...if you are right up on edge of pressure or using a very small volume case however...all bets are off.
75/15/10 black powder matters
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