Conventional pistol primers will begin to flatten at about twenty~30k psi, depending on brand name and magnum as opposed to normal. Looking at a 9mm can run as high as 35k psi for standard hundreds and around 38,500 psi for 9mm +P, there's no question . A different thing you https://dallasxcytm.blogdun.com/32461407/what-does-federal-primers-for-9mm-mean