This is a percussion-primed mortar cartridge with a subcaliber, fin-stabilized (FS), arrow-type, high-explosive (HE) projectile using a discarding sabot. The projectile incorporates a setback-armed, impact-fired, point-detonating (PD) fuze.
Method of Operation:
Except for the unpainted nose element of the fuze, and the boom and fins of the sabot, the cartridge is painted black. Markings on the cartridge are stenciled in white.