Manufactured in 1880, the last year of production. Fixed blade front sight and groove rear sight. Marked with the two line Colt Hartford address on top of the barrel, an etched panel reading "COLT NEW 38" on the left side, and "PAT. SEPT. 15. 1874/11010" on the underside. 5-round cylinder with long cylinder flutes and manufactured without a loading gate. Nickel finish with blue cylinder pin, checkered hammer and spur trigger. Frame is stamped "38 CAL C". The grips are smooth birds head ivory.

Manufactured in 1876 without a loading gate. The top of the barrel is marked with the two line Colt Hartford address, "COLT NEW 41" in an etched panel on the left side of the barrel and "41 CAL" marked on the left side of the frame. Blue barrel, cylinder and cylinder pin with a nickel finished frame. The barrel is marked with two Birmingham proofs that also alternate in the cylinder flutes and a single Birmingham proof marked on the right side of the frame. Matching serial numbers.