22.25" single edged semi-Yataghan blade with 16.75" stopped fuller. 27.125" in overall length with a 4.875" cast brass hilt palm swell and 18 grasping grooves and mounted with a 4" crossguard with a disc quillon on the lower guard and a cock's comb on the muzzle ring. Blade reinforced with a large steel pin in the hilt and with a Harpers Ferry PB/P inspection stamp on the obverse ricasso. A small U inspection is present on the top of the grip. The mortise cut in the hilt is cut for 1" guide key as found on Harpers Ferry Type I 1841 Rifle alterations modified from the "Snell" ring bayonet system and for Type II Harpers Ferry 1841 Rifle alterations.