.22 LR. 5.875" barrel length. SN: A2510. Blued metal finish with color case hardened hammer and trigger mounting checkered brown synthetic {Owlhead} grips with thumb rest. Double action top break eight-shot revolver with hand-operated ejector and fluted barrel rib. Item mounts adjustable rear latch notch and front blade sights. Left barrel lug is struck VIKING 67/22 CAL. with the right marked IVER JOHNSON'S/FITCHBURG, MASS. U.S.A.