Not to hijack this thread but a friend of mine that provides ammunition suggests the Federal 210M primer. Why, I don't know as he was attempting not to give me proprietary info. I'll make use of the Lee Hand Priming Instrument Once i get all-around to using the Feds. Ken, https://winchestersmallpistolprim34678.dbblog.net/5184428/the-smart-trick-of-federal-primers-ammunition-that-no-one-is-discussing