7.62x39mm. 22" barrel length. SN: S-662007. Blued metal finish with polished bolt set in wood semi-pistol grip stock with finger grooves and mounting rubber recoil pad. Short stroke piston driven gas operated semi-automatic rifle with tilting bolt fed by an internal box magazine. Item mounts a folding blade bayonet in addition to grenade launching muzzle, folding grenade sight, and folding night sights. Item mounts adjustable tangent rear and post and globe front sights. Standard markings overall. Item is missing the gas plug. Comes with canvas sling.