.69 caliber. 35.25" barrel. NSN. Bright finish, iron furniture, walnut stock. Single shot "cone in barrel" percussion alteration of US M1822 flintlock musket altered to shotgun with a shortened stock and barrel, with only the lower barrel band retained. Standard Springfield markings on lock, dated 1824 at tail. Barrel markings largely obliterated by pitting and wear. No ramrod present. {ANTIQUE}