This model is sometimes called "Baby Russian." A top-break automatic-ejecting revolver chambered for .38 S&W centerfire cartridge. Offered with 3.25" or 4" round barrel. Raised rib has a 5-shot fluted cylinder and finished in blue or nickel plating. A 5" barrel was added as an option a short time later. Butt is rounded, with wood or checkered hard rubber grips inlaid with S&W medallion. It has a spur trigger. Approximately 25,548 manufactured in 1876 and 1877, of which 16,046 were nickel; 6,502 blued.