.54 caliber. 22" barrel. SN: 54340. Blued and color casehardened finish, steel furniture, hardwood stock and forend. Single shot percussion dropping block replica military carbine with folding ladder rear sight, Barleycorn front sight and sling bar and ring on reverse wrist, opposite lock. IAB markings, as well as standard black powder only warnings and caliber marking. {ANTIQUE}