1980's Polytech and Norinco Black AKM Type II Bayonet – No shredded edge or wire cutters AKM Type II Knife bayonet for use with the semi-automatic 7.62 mm. AKM assault rifles commercially exported in the 1980s by Polytech and NORINCO (China North Industries Corporation). Essentially, a copy of the Russian 6X4 (AKM Type II) bayonet, except that the sawback and wire-cutter features have been eliminated. This example has a black plastic grip and scabbard body.