.58 caliber. 40 in. round barrel with three solid spring-retained barrel bands. SN: NSN. Bright finish, smooth oil-finished walnut stock. Percussion lock marked with a Spread-Winged American Eagle and "US / SPRINGFIELD" and dated 1864 horizontally at the tail. Tang of buttplate marked "US." 1864 pattern lock with 1861 type hammer, mated with an 1861 pattern stock and barrel. Barrel with no visible barrel date and only very weak proof marks on the left-angled flat. 1861 pattern rear sight missing the 500-yard leaf. Middle and upper barrel bands incorrect rounded 1864 pattern bands, with lower band a correct 1861 type band. Retains original front sight and angular socket bayonet lug. Both sling swivels replaced. Stock with no visible cartouches and the letters “A” and “A I” carved in the obverse stock. Ramrod is a modern reproduction. Includes a correct pattern US Model 1855 Socket Bayonet marked "US" on the ricasso. 

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Fair condition. Metal with a mottled and heavily oxidized grayish-brown patina and showing scattered pitting and roughens. Metal apparently chemically cleaned leaving the metal somewhat hazy in appearance. Markings clear on lock and weak or non-existent elsewhere. Nipple replaced, lock mechanically functional. Bore fair, with weak rifling and moderate pitting along its length. Stock sanded with edges rounded and showing scattered bumps, dings, and mars. Bayonet about good with a moderately pitted socket, very good blade, and a loose locking ring.