Lee 338 Remington Ultra Magnum Factory Crimp Die crimps the bullet in place more firmly than any other tool. Tests demonstrate that even bullets which have no crimp groove will shoot more accurately. A firm crimp improves accuracy because pressure must build to a higher level before the bullet begins to move. This higher start pressure insures a more uniform pressure curve and less velocity variation.
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Lee 45 Colt Pistol 4-Die Set. Includes Carbide Full Length Sizing Die, Powder Through Expanding Die, Bullet Seating Die, Carbide Factory Crimp Die, Universal Shell Holder, Powder Dipper and instructions with load data.
Note: this set can also be used to load the 454 Casull. Load data is available in Modern Reloading for this cartridge or you may order a 454 Casull instruction sheet.