7.65mm Serial # 47618 Heckler & Koch HK4 7.65 / .32 ACP pistol. External hammer with manual safety Single action / double action operation. Factory HK4 marked checkered plastic grips. Dated 7/71 on frame. Comes with 2 factory finger rest magazines. in aftermarket box with copied instruction manual. Very fine and some very fine micro scratches and light wear . Excellent bright bore and mechanically fine Barrel 3 1/2" Modern