.52 caliber smoothbore. 21" barrel. NSN. Browned finish, color casehardened breech block and hammer, iron furniture, walnut stock secured by two flat, pinned barrel bands. Single shot percussion breechloading carbine with side lever to operate breech, fixed notch rear sight, fixed front sight blade, 8.5" sling bar and ring and an old replacement button head cleaning and clearing rod. No markings present on the top of the breech block, weak traces of cartouches on the rear edges of the stock flats. {ANTIQUE}