Markings: The lock plate is marked “BURNSIDE RIFLE CO. 54 Caliber Self Contained Belted Brass CartridgeĪction Type: Single Shot, Rotating Block, Breech Loaded Percussion Rifle. Martial Arms shows rifles up to 14332 issued in 1865, however serial number 21819 was issued Jin a large serial number range that was issued to the 6th Illinois Volunteer Cavalry. Year of Manufacture: of Springfield Research Service of U.S.
