I purchased 1K for 45 Colt and had the "issue". Was just about to give up on them, and skim a post about employing a deburr Instrument to get rid of military crimps on rifle brass. Sam3460: I am aware they are sale rates but I'm wondering just how high https://federalprimersfor9mm68901.ltfblog.com/30988470/the-smart-trick-of-federal-large-rifle-magnum-primers-215-that-nobody-is-discussing