Patent ID: 6748870
Filing Date: 2004-06-15
Classification: F42B,Y10S

Abstract:
An ammunition round assembly fireable from a firing device of a known caliber, comprising:a cartridge body having top and bottom end portions, the bottom end portion having a first retaining groove therein, the cartridge body being made of a combustible material configured to be consumed in combustion upon firing of the ammunition round assembly from the firing device; a base connected to the bottom end portion of the cartridge body, the base having a second retaining groove radially adjacent to the first retaining groove, the first and second retaining grooves defining a locking groove between the base and the cartridge body; a retention member in the locking groove, the retention member engaging the cartridge body and the base and holding the cartridge body and the base together until ammunition round assembly is fired from the firing device; a projectile coupled to the cartridge body, the projectile having a caliber that substantially matches the caliber of the firing device, the projectile having a retaining portion; and an attachment sleeve releasably connecting the projectile to the cartridge body, the attachment member having a first connection portion releasably engaging the too end portion of the cartridge body and a second connective portion releasably engaging the retaining portion of the projectile.