One thing which i do persist with is: when loading for my M1A and AR I exploit 'military' primers. Especially in the M1A. My comprehending would be the 'civilian' primers are also soft and market the notorious 'slam -fires' This can be an older thread, you might not get a https://franciscomksce.tokka-blog.com/32071267/the-federal-large-pistol-primers-no-150-diaries