Powder-based disc for gun ammunition

Abstract From the Canadian patent

A disc (12) for use in the manufacture of gun ammunition and a round of gun ammunition which includes the disc. A preferred disc (12) comprises a mixture of metal powders compressed into self-supporting deformable disc that is incorporated along with a core into a jacket to define the projectile of a round of gun ammunition. The disc is frangible upon the projectile striking a solid or semi-solid target. Preferably the core (24) is incorporated into the ogive (28) of a projectile. In another embodiment a disc may be incorporated , into a projectile comprising multiple cores the disc being disposed between , adjacent surfaces of the cores. This latter disc commonly is in addition to …