.60 caliber. 39" pinned three-stage octagon to round barrel. SN: NSN. Black painted barrel, brass and iron furniture, full-length walnut stock. Liege proof mark on top of barrel, percussion lock with "{Circle-Fox}" trademark. Traditional trade gun features include the brass three-screw serpentine side plate, oversized iron triggerguard, raised carved aprons around the tang and rear of the lock mortise and counterpane. Simple brass buttplate, corrugated brass thimbles retain a wood ramrod.