1815 DATED HARPERS FERRY MODEL 1803 FLINTLOCK RIFLE. Cal. 54. 33-1/8" half rnd-half oct bbl having a V-notch rear sight mounted 8" forward of the breech and a brass sight mounted 1-3/4" from the muzzle. The left top breech is stamped with a raised "US" and an eagle head over "P" in sunken ovals...