.45 Colt/.45 ACP. 4" barrel. SN: S19403A. Blued and color casehardened finish, hard rubber Eagle motif grips. Single action solid frame cartridge revolver with loading gate, frame notch rear sight, blade front sight, smokeless powder frame and six-chambered fluted cylinder. Revolver appears to be "as new" in box. The gun includes the original blue cardboard Colt factory box with foam interior as well as all factory paperwork and the spare .45ACP cylinder, still in wrapped in paper.