Something that I do follow is: when loading for my M1A and AR I use 'navy' primers. Especially in the M1A. My comprehension is the 'civilian' primers are way too soft and endorse the notorious 'slam -fires' This combination produces a Considerably hotter flash for just a noticeably more time https://winchesterlargepistolprim73728.blogdon.net/not-known-factual-statements-about-federal-ar-match-primers-48090807