I tried it on my new Winchesteer brass and just broke the sharp fringe of the primer pocket, "difficulty" vanished. Security Be aware/WARNING: If you're going to do the same experiment, you must do so with caution. This is the moderate load that three grains below max load on MY https://federalprimers83490.bloggadores.com/31229493/not-known-factual-statements-about-federal-ar-match-primers