.52 caliber. 41.5" pinned smoothbore octagonal barrel.SN: NSN. Oxidized metal, brass furniture, full-length hardwood stock with raised cheek rest. Single-screw commercial percussion lock is lightly engraved and marked "Henry Parker/Warranted". Lock is somewhat ill fitting and may be a replacement. Barrel with drum bolster may be an alteration from flint. Barrel weakly marked on top flat "H.E. LEMAN" and "WARRANTED". Rifle is mounted with a traditional Lancaster-style four-piece brass patchbox, crescent buttplate and plain toe plate that doubles as the patchbox release. Additional furniture includes an extended finger spur triggerguard, nose cap, two corrugated trade gun style ramrod thimbles and a smooth entry pipe. A wooden ramrod is secured by the pipes. Barrel with a dovetailed rudimentary buckhorn rear sight and dovetailed brass blade front sight. A lovely smooth rifle in its simplicity that may have been made as trade gun or as versatile frontier long arm.