The Model 1833 is very significant as the first percussion firearm adopted by the U.S. Government and also the first U.S. martial arm to employ an underbarrel bayonet that slides into the ramrod channel. 1,028 were manufactured in .58 caliber in 1834, and 6,135 were manufactured in .52 caliber in 1836-1839. This one comes from the final year of production and has standard markings and features. The implement compartment has a worm, ball puller, and pick/screwdriver. Removable collection mark on the trigger guard. The Model 1833 was primarily used by the 1st and 2nd U.S. Dragoons in the Indian Wars, including the Seminole Wars in Florida, and some remained in use during the Civil War, though by then they were considered obsolete.