.58 caliber. 23.5" wedge-retained three-stage octagon to round barrel. SN: NSN. Moderately oxidized metal, brass and iron mountings, period of use replaced hardwood stock. Percussion altered flint lock with drum bolster and crude percussion hammer is marked "PARKER" over "1839" in two arcs at the tail. Breech with London commercial proof marks. Gun shortened during the period of use, barrel cut at least 12"-13". Gun restocked during there period as well with a replacement buttplate, but retains the serpent side plate and large iron triggerguard. Barrel secured by a crude iron wedge with brass escutcheon plates. Shortened gun is nominally 29" in overall length, making it more handy for use on horse back or in dense brush. A single iron thimble retains a wood ramrod.