20 Gauge. 26" barrel length. SN: 400-02463. 3" chamber length. Modified upper choke and Improved Cylinder lower choke. Blued metal finish with polished trigger and extractors set in a walnut semi-pistol grip stock with left side cheek rest, RUGER marked grip cap, and Ruger logo rubber recoil pad. Double barrel over-under boxlock extractor shotgun with combination safety selector. Underside of the frame is marked STURM, RUGER & CO., INC./SOUTHPORT, CONN./U.S.A. with standard chamber markings appearing on the barrel flats.