Normal pistol primers will begin to flatten at about 20~30k psi, dependant upon brand name and magnum as opposed to typical. Taking into consideration a 9mm can run as substantial as 35k psi for normal loads and around 38,500 psi for 9mm +P, there is not any question . Considering https://federalprimers215m07394.digitollblog.com/31644225/about-federal-primers-large-pistol