Not to hijack this thread but a friend of mine that provides ammunition implies the Federal 210M primer. Why, I have no idea as he was seeking not to offer me proprietary facts. I will make use of the Lee Hand Priming Device when I get all around to using https://federal205primersforar1528284.luwebs.com/32472634/the-5-second-trick-for-federal-215m-primers-in-stock