Lee Factory Crimp Rifle Die For 303 British

Lee Factory Crimp Rifle Die For 303 British. To ensure a crisp and consistent crimp the cartridge case mouths are expanded with crimping dies that have more "kick" than the bullet is. This provides the crimp that the reloading presses are designed for. The style of the bullet impression left in the dies by Lee Saeco Norma and others is dependent on the style of bullet and crimping press used. Over-crimping can result in accuracy problems. However a little care can prevent serious damage to your