.58 caliber. 34.5" pinned three-stage octagon to round barrel. SN: NSN. Bright finish, brass and iron furniture, period shortened walnut stock. Percussion altered flint lock marked with the "{Tombstone-Fox}/IB" mark and marked at the tail in two lines "BARNETT/1802". Barrel with drum bolster conversion, crude percussion hammer, Tower private proofs and the "*/RB" mark of Robert Barnett. Typical trade gun features include the three-screw brass serpent side plate, oversized iron triggerguard, raised carved aprons around the tang and at the tails of the lock and counterpane and nailed brass buttplate. Stock shortened to "half-stock" length with an added iron pipe brazed to the bottom of the barrel, which secures a swelled shank tulip head ramrod of the U.S. Model 1855 or Model 1861 pattern.