One thing which i do stick to is: when loading for my M1A and AR I take advantage of 'army' primers. Particularly in the M1A. My comprehension could be the 'civilian' primers are much too soft and boost the infamous 'slam -fires' All manuals do is report what elements ended https://winchester200primers68012.ivasdesign.com/53644998/the-best-side-of-federal-large-rifle-magnum-match-primers