Patent ID: 7150229
Filing Date: 2006-12-19
Classification: F42B

Abstract:
1. An ammunition cartridge comprising: a tube extending along a central longitudinal axis from an aft end of the tube to a fore end of the tube; a basewad disposed within the tube and located proximate the aft end of the tube, the basewad including: an interior surface extending outward and forward from a generally forward facing inner portion to a generally inward facing fore portion so as to define a skirt of the basewad; a projectile wad disposed within the tube, the projectile wad including: a forward facing surface, and an interior surface extending outward and rearward from a generally aft facing inner portion to a generally inward facing aft portion so as to define a powder cup skirt, the powder cup skirt having: a lip having an end surface, the end surface being substantially uninterrupted around the entire powder cup skirt, and a chamfer formed around an outer perimeter of the lip, the lip being slidably received within the skirt of the basewad so as to form a chamber between the powder cup skirt and the skirt of the basewad; a propellant charge disposed within the chamber; and at least one projectile disposed within the tube between the forward facing surface of the projectile wad and the fore end of the tube.