.54 caliber. 21" round barrel secured by a single spring-retained barrel band. SN: 19134. Blued and color case hardened finish, smooth walnut stock and forend. Single shot percussion carbine with tilting block receiver, L-shaped leaf rear sight, pinched front sight blade, sling swivel in toe of stock and saddle bar and ring opposite lock. Lock marked in two lines behind the hammer BURNSIDE RIFLE CO/PROVIDENCE, RI. Chamber marked in two lines BURNSIDE PATENT/MODEL OF 1864. Barrel marked in a single line forward of the rear sight CAST STEEL 1864. Clear script RKW (Robert K Whitely) cartouche at reverse wrist. Matching serial numbers on receive and breech block. This carbine was not located in the Springfield Research Service database, however the closest one was Burnside Carbine #19059 was issued to C company of the 12th New York Cavalry. A very fine condition example of one of the most widely used and successful of the Civil War era breechloading percussion ignition carbines. {ANTIQUE}