Lee 9MM LUGER/38 SUPER/38 ACP/380 AUTO Taper Crimp Die, overcomes crimp problems caused by poor die design. Offers little or no advantage when used with 1986 or newer Lee Dies as the crimp angle is already a modified taper crimp. Jacketed bullets must have a crimp groove. Type Taper Crimp Pistol Die In Set 1 Series Crimp Die Caliber 380 ACP Die Type Crimp Die Series Crimp