.50 Spencer. 20" round barrel secured by a single spring-retained barrel band. SN: 22419. Blued and color casehardened finish, smooth walnut stock and forend. Lever action manually cocked 7-shot repeating carbine fed from a tubular magazine in the butt, with folding ladder M1865 rear sight, blade front sight, correct grooved bottom Indian Wars era magazine follower tube, saddle bar and ring and sling swivel in toe. Standard Burnside Rifle Company markings on top of receiver. Two weak cartouches are present on the reverse wrist behind the sling bar plate. {ANTIQUE}