.22 LR. 4.75" barrel length. SN: 130316. Blued metal finish with polished trigger and bolt mounting checkered black synthetic grips and fixed rear notch with pinned Patridge front sights. Simple blowback operated internal hammer fired autoloading pistol fed by detachable single stack magazines. Item features a left frame mounted safety, and a heel type magazine release. Left side of receiver marked RUGER 22 CAL. LONG RIFLE/AUTOMATIC PISTOL. Right is marked with two-line address reading STURM, RUGER & CO./SOUTHPORT, CONN. U.S.A. Comes with one correct magazine and one magazine for the later Ruger Mark II pistol that does not fit.