Standard pistol primers will begin to flatten at about 20~30k psi, according to model and magnum compared to typical. Taking into consideration a 9mm can run as large as 35k psi for ordinary masses and up to 38,five hundred psi for 9mm +P, there is no doubt . Also, like https://federalarprimers57890.jiliblog.com/88936637/the-definitive-guide-to-federal-large-primers-for-sale