.22 LR. 6.75" barrel length. SN: 157708. Blued metal finish overall mounting checkered walnut grips and adjustable target rear notch and matted front blade sights. Simple blowback operated single-action autoloading pistol fed by detachable single stack magazines. The left slide shows the model marking HI-STANDARD/MODEL H-D MILITARY with the left frame struck MADE IN U.S.A./THE HIGH STANDARD MFG. CO/NEW HAVEN. CONN./PATENT PENDING/.22 CAL/LONG RIFLE. Item mounts a round heavy barrel, vertically serrated trigger, heel magazine release, and an exposed hammer. Item comes with one blued magazine.