Never to hijack this thread but a buddy of mine that makes ammunition implies the Federal 210M primer. Why, I do not know as he was seeking not to give me proprietary information and facts. I'll make use of the Lee Hand Priming Resource After i get about to utilizing https://210-federal-primers-for-s57890.ageeksblog.com/31001566/the-5-second-trick-for-federal-215m-primers-in-stock