.357 Magnum. 2.5" barrel length. SN: 75K1912. Blued metal finish with casehardened hammer and trigger mounting black rubber UNCLE MIKE'S grips. Double action hand ejector revolver mounting adjustable target rear notch and matted front ramp sights. Item features a three screw frame, a pinned barrel, and a hammer mounted firing pin. Markings include the MOD. 19-4 mark on the internal frame with the right sideplate marked with Smith & Wesson's monogram trademark and four-line address to the right frame.