So far, I have been able to firearm 46 cases with my Dasher using a false shoulder from a 25 caliber mandrel and a .267 bushing in a Redding Type S FL die. This is using new Lapua brass, 30g Varget, 0.010" jump, and CCI 450s. Out of 50, I had 4 that didn't ignite. For some reason, the shoulder...