.44-40. 4.75" barrel length. SN: 124812. (Mfg. Ca 1887). Nickel refinish overall with Rampant Colt logo hard rubber {Eagle} grips. Single-action loading gate revolver with spring loaded ejector rod. Revolver mounts the black powder pattern frame with a screw retained cylinder pin, and features Colt's black powder rifling. The barrel address reads in two lines COLT'S PT. F.A. MFG. CO/HARTFORD. CT. U.S.A. Left frame is marked with the three-patent in three-lines marking while the left triggerguard displays the caliber mark 44 CAL. The serial numbers match on the gripstraps and frame, and the assembly number 88 has been struck into the loading gate.