Bought 50 pieces of new Peterson 308 SR brass. Thought I’d do an experiment of how perfect I can get the brass and if it even matters. Going to turn the necks, and uniform the primer pockets to start. My K&M primer pocket tool will not go into over 3/4 of the pieces. A couple that it would I had a hell of a time getting out without trashing the brass. Anyone have this issue? Seems very undersized.