.58 caliber smoothbore. 29.125" barrel. NSN. Heavily oxidized metal, brass furniture, walnut stock. Single shot muzzleloading percussion rifle musket altered to shotgun with shortened barrel that has been smoothbore, shortened stock to the first barrel band, no sights, no sling swivels and no ramrod. Lock marked 1862/TOWER, standard Birmingham commercial proof and view marks on breech. {ANTIQUE}