Something that I do follow is: when loading for my M1A and AR I take advantage of 'army' primers. Specifically in the M1A. My understanding is the 'civilian' primers are much too comfortable and endorse the notorious 'slam -fires' Include to quote Only display this consumer #23 · Oct two, https://knoxjfefw.alltdesign.com/not-known-factual-statements-about-federal-ar-match-primers-51382987