.62 caliber. 42.5" three-stage octagon to round pinned barrel. SN: NSN. Moderately oxidized metal, brass furniture, walnut stock. Percussion altered flint lock marked with the "{Circle-Fox}" under the bolster and "BARNETT" in a vertical arc at the tail. Barrel with Liege proof mark on top flat. Simple drum bolster alteration using an ill-fitting commercial percussion hammer. Three-screw brass serpent side plate, flat brass screw-retained buttplate, oversized iron triggerguard. No apron around the tang, missing thumb piece. Simple sheet brass forend reinforcement. Stock decorated with tacks, many of them missing. Corrugated brass ramrod pipes, brass tipped wood ramrod.