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jun 11, 2005 okay, so was loading a batch of 223 the other day, and of rounds, crushed cases! and found that almost all of my cases had been over expanded by my necksizing die, and the bullets were literally falling into the case and resting on the powder, cursed so much id have made sailors blush, but im unsure as to why the cases kept crushing, set the die for a light crimp and got