I am aware a guy, late 70s, has most likely 70-80k LRPs and perhaps fifty percent as many of EACH other primer including shotgun, so a few hundred thousand primers…he hasn’t shot or even reloaded in over ten years. I bought 1K for 45 Colt and had the "problem". Was https://alexisgmrtt.blogsvirals.com/31163392/everything-about-federal-gm-210-primers