Standard pistol primers will begin to flatten at about twenty~30k psi, determined by brand and magnum as opposed to conventional. Taking into consideration a 9mm can run as higher as 35k psi for ordinary loads and up to 38,500 psi for 9mm +P, there isn't any question . I've been https://brooksnnlji.blogzet.com/the-definitive-guide-to-federal-primers-210m-46753150