That’s an awesome problem, Ted. I’m not sure. Here is a pair examples of what I’ve heard in several destinations within the Federal 210 vs Federal 210M discrepancies: I do have two revolvers that at times misfire on the primary strike on double motion with CCI primers, and both equally https://210mfederalprimers13456.answerblogs.com/32021499/about-federal-primers-large-pistol