Manufactured c. 1863-1875 and later converted (likely by the factory) for metallic cartridges. It has a "pinched" blade front sight, center fire modified hammer, the standard barrel markings, top strap groove rear sight, an ejector on the right side of the barrel, single letter government inspection markings throughout, cartouche on the left grip, and matching serial numbers on the barrel, trigger guard, grip frame, and interior face of both grips. "x7" stamped on the left side of the loading lever and left side of the frame. "182" stamped on the face of the six shot cylinder.