SCAMMER Sep 22, 2019 #4 Take into account that primer cup hardness isn't the only possible challenge. When there is excessive slop across the firing pin inside the bolt facial area it is possible to pretty quickly get primer cratering That could be a Untrue positive for pressure indications. Restrictions https://zndhtchenccibr480123.blogpostie.com/53336294/the-smart-trick-of-large-rifle-magnum-that-no-one-is-discussing