.45 ACP. 5.5" around barrel. SN: NCS0161. Blued finish, matted topstrap, color casehardened hammer and trigger, checkered hardwood S&W medallion grips. Double action revolver with six-chambered fluted swing out cylinder, pinned half-moon front sight, frame notch rear sight and swivel lanyard ring in butt. Revolver is contained in the original factory cardboard box with an end label matching the serial number and configuration of the revolver.