This version also called "Diamond." Produced in two distinct variations called First Issue and Second Issue. First Issue has a brass frame; Second Issue an iron frame and no firing pin bushing. Otherwise, they are quite similar and would be valued the same. They are chambered for .22 rimfire cartridge. Offered with 6" or 10" part-octagonal barrel. Frames nickel-plated or blued, with blued barrels and square-butt walnut grips. Approximately 95,000 manufactured between 1886 and 1916. NOTE: Add 25 percent premium for 10" barrels.