May 27, 2025
US12313385 - Crimping die
A crimping die assembly for crimping a cartridge is provided that includes a casing and a bullet seated in the casing. The crimping die assembly includes a die body with a longitudinal axis, an elongated cavity disposed along the longitudinal axis, a cartridge receiver opening for receiving the cartridge, disposed at a first end of the die body, and opening into to the elongated cavity, a crimping bushing for crimping the casing onto the bullet, disposed within the elongated cavity and translatable therein along the longitudinal axis, and a compliant member disposed at least partially within the elongated cavity for urging the crimping bushing toward the cartridge receiver opening.