All US Navy once-fired 5.56x45mm brass contains a crimped primer and a further phase has to be taken to method the brass. Make the right load has prolonged been the motto of hand loaders faithful to Nosler brand bullets - and was the sole motive Nosler designed Nosler cartridge brass. https://johnnykwgra.blogthisbiz.com/46762644/new-step-by-step-map-for-brass-223