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Lee Taper Crimp Die
The Lee Taper Crimp Dies is hardend steel designed to overcome crimp problems caused by poor die design. These dies offer little or no advantage when used wth 1986 or newer Lee Dies as the crimp angle is already modified taper crimp. Jacketed bullets must have a crimp groove.
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The modified taper crimp will put a little roll into the crimp if you crank it down enough.