A top-break double-action revolver that automatically ejects the spent cartridge cases upon opening. Also known as "The New Model Navy". Standard chambering is .44 S&W Russian; other calibers very rare and worth premium. Target sights available by special order, and worth a premium if factory original. Standard barrel lengths are 4", 5", 6" and 6.5" round, with a raised rib. A 3.5" barrel was produced on this model by special request. Collectors should be aware that the barrel for this model and New Model No. 3 were interchangeable and the factory did in fact use barrels from either model. Serial number on rear of the barrel should match number on the butt, cylinder and barrel latch. Cylinder holds 6-shots and is fluted. It has double sets of stop notches and long free grooves between the stops. It is serial numbered in its own range, beginning at 1. Approximately 54,000 manufactured between 1881 and 1913.Approximately 54,000 manufactured between 1881 and 1913.