Normal pistol primers will begin to flatten at about twenty~30k psi, dependant upon brand and magnum compared to typical. Considering a 9mm can operate as significant as 35k psi for standard loads and around 38,five hundred psi for 9mm +P, there isn't any doubt . I do not forget that https://federal-primers15161.ageeksblog.com/30980357/the-smart-trick-of-federal-gold-medal-match-primers-that-no-one-is-discussing