.22 LR. 20" barrel length. SN: NSN. Blued metal finish with polished bolt set in walnut semi-pistol grip stock with black synthetic trigger plate and brass magazine tube. Simple blowback operated semi-automatic rifle fed by a tube magazine located in the stock. Item mounts a MOSSBERG marked rear aperture sight in addition to a rear notch and adjustable front bead sight. Standard make and model markings overall. Item is missing one of the mounting screws for the rear aperture.