Normal pistol primers will start to flatten at about 20~30k psi, according to brand and magnum vs . normal. Taking into consideration a 9mm can run as superior as 35k psi for ordinary loads and as many as 38,500 psi for 9mm +P, there is no doubt . Nor should https://emilioouoiw.ltfblog.com/31005952/facts-about-federal-benchrest-primers-revealed