Blank cartridge for automatic gun

Details Blank cartridge for automatic gun Blank cartridge for automatic gun

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 8/04 (2006.01) F42B 5/02 (2006.01) F42B 14/06 (2006.01)

Patent

CA 2056389

A cartridge (10) for low-mass, frangible projectiles (60) comprises a cartridge case (12) having a primer (14) at its base and a sabot (30) or piston (30) at its mouth. The piston (30) can be provided with longitudinal orifices (44), diagonal orifices (44a), grooves (64) or any combination of orifices and grooves. The projectile (60) is inserted into a cylindrical recess (46) in the front portion of the sabot (30). The orifices (44) are in communication with this recess (46) to permit propellant gas to bleed through and accelerate the projectile (60) upon ignition. The case (12) and the sabot (30) can be provided respectively with a crimp (24) and a stepped portion (48) in order to limit travel of the sabot (30) out of the case.

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