Manufactured 1860-1863. Colt produced only approximately 1,100 of these revolving shotguns split between 10 and 20 gauge variations. These were also known as the Colt New Model Revolving Shotguns and are in basic design an enlarged version of the Colt Model 1855 Pocket revolver. Under barrel rib is absent.

Good, with faint traces of refinished blue, some minor file marks and dings, scattered light pitting, and scattered minor handling marks on the refinished wood. Mechanically fine.