Some of these Model 1873 carbines are known to have been used in the Battle of Little Bighorn in June 1876, with serial numbers undocumented, although any gun falling below the serial number of 43700 is generally accepted as a possible candidate, with this specific example being made well prior to the incident. Many other early trapdoor carbines were used extensively by the U.S. Cavalry throughout the Indian Wars. Blade front sight and correct ladder rear sight graduated to 1,200 yards, left mounted saddle bar and ring, field replacement stock with short comb, "J.C" inspection initials stamped behind the lower tang and a solid buttplate correctly without compartment inside the stock.