Never to hijack this thread but a pal of mine that creates ammunition indicates the Federal 210M primer. Why, I don't know as he was trying not to offer me proprietary information. I'll use the Lee Hand Priming Instrument After i get close to to using the Feds. Ken, the https://mylesftfqh.blogofoto.com/63115977/the-smart-trick-of-federal-primers-ammunition-that-no-one-is-discussing