.60 caliber smoothbore. 40" barrel. NSN. Heavily oxidized metal, iron furniture, walnut stock. Single shot percussion muzzleloading rifle musket with M1861 pattern rear sight and incorrect side leaf, Barleycorn front sight, three rounded clamping barrel bands, sling swivels and a reproduction iron ramrod. Standard Colt markings on lock, no visible marks on barrel or in stock. {ANTIQUE}