Lee Precision .223 Rem Steel Factory Crimp Die - 90817

Lee Factory Crimp Die crimps your bullets in place the same as factory ammo. A collet gently, but firmly squeezes the very end of the case into the crimping groove, exactly the same as factory ammo. Lee 223 Rem Factory Crimp Die crimps the bullet in place more firmly than any other tool. Works with 223 Remington and 223 Ackley Improved. 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