810. Burnside Rifle Co. – 5th Model Carbine – 54 Cal. Single Shot Breech Loading Rifle – w/21” Round Barrel w/Blade Front & Adj. Rear Sights – Brown Finish – w/Straight Grip Wood Stocks w/Metal Butt Plate & Iron Patch Box – w/Saddle Ring & Bar – Note: Butt Stock Pinned – 5th Model Carbines Were Mfg. Between 1863-1865 w/Approx. 43,000 Mfg.