Eliminating the crimp is an easy 1-time approach. I use a RCBS Trim Mate crimp remover that inserts on the hand tool and reams the primer pocket. Once that may be finished the case is ready for continual use. The key is pinpointing armed service brass. Along with the headstamp https://reloading-9mm-luger32852.blogacep.com/43507574/the-5-second-trick-for-9mm-casing