Description UPDATE: Revolver is in .28 caliber. Colt Side Hammer Model 1855 “Colts Root Revolver” in .31 caliber with a five round capacity and a 3.5″ octagon barrel. Bone/antler grip plates. Blued frame, trigger, cylinder and barrel. Case colored checkered hammer. Under barrel ramrod. Front fixed brass post sight. Comes in a small wooden red velvet lined locking case with powder flask, nipple tool and push rod. Black powder cap and ball revolver. Antique, No FFL required and ships to buyers home. Condition: Very good with light scuffs, finish wear/loss and small age cracks in the ivorie grip plates. Clean rifled bore. Barrel Length: 3.5″ Serial: 13164 Manufacturer: Colt Year: 1856 Caliber: .31 Model: 1855 Side Hammer Root Revolver