.22 LR. 4.5" barrel length. SN: 146431. Blued metal finish with checkered walnut grips mounting adjustable target rear notch and matted front blade sights. Simple blowback operated single-action autoloading pistol fed by detachable single stack magazines. Left slide is struck HI-STANDARD/MODEL H-D MILITARY. Left frame is marked around the barrel pin MADE IN U.S.A./THE HIGH STANDARD MFG. CO/NEW HAVEN, CONN./PATENT PENDING/.22 CAL/LONG RIFLE. The number 6 in the serial number is weakly struck. Comes with one magazine.