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mike72
Heavy crimps are great if your loading very hot loads but for lighter loads there not that necessary. You need the crimp to be only heavy enough to hold the bullet in the case as the round next to it is being fired.
The heavier the crimp the shorter the life span will be for the case.
Also over crimping the case can cause a deformation in the upper end of the case and make it a poor fit in the chamber.
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