Civil War Burnside Carbine 5th Model. This Burnside Carbine is marked Burnside's Patent/Model of 1864. Matching serial numbers of 16869 place this early in the 43,000 production run of 1863-1865. The action is strong and original Includes the sidebar, saddle-ring and rear stock swivel. Both sights are original Intact. The barrel is rough and the exterior of the barrel and frame has some Pitting. The patina is deep, rich and dark on the stock as well as the steel.