The knife bayonet was used with a 1956 submachine gun based on the German MP40 submachine gun, but with 7.62×25 caliber.

The bayonet blade is double-bladed, without fullers, of rhombic section. The handle is formed by two plastic sidepieces fastened to the shank with one screw. The handle head has a T-slot and a spring clip. Short cross with barrel ring. Steel scabbard, with hook.
Total length: 285 mm

Blade length: 175 mm

Blade width: 21 mm

Inner diameter of the ring in the cross: 14.5 mm