All US Military services once-fired 5.56x45mm brass provides a crimped primer and yet another action has to be taken to procedure the brass. SCATP strain screening: A whole new armed service typical for cartridge force screening that is essentially reminiscent of the SAMMI system. Lousy Penguin January 29, 2018, 11:39 https://andyllama.shoutmyblog.com/38193478/the-best-side-of-223-once-fired-brass