I attempted it on my new Winchesteer brass and just broke the sharp edge of the primer pocket, "problem" vanished. And finally, all the rest of my manuals don't specifiy a scenario or primer manufacturer. I occur to have Starline brass and WSPM primers, so, I suppose I commence the https://emiliofterc.blogdigy.com/the-smart-trick-of-federal-215-large-magnum-primers-that-nobody-is-discussing-47634890