Constructed in the early style iron guard configuration with a ribbed wood handle, of which only 1,002 were manufactured. It measures 13 1/2 inches overall, with an 8 1/2 inch single edged blade set in an iron guard marked "129" on the right and "U.S. SPRINGFIELD" on the left. The ribbed wood grip has "S.W.P./1881" stamped on the butt. Includes a brown leather sheath, fitted with a brass throat and a belt loop with hinged cartridge loop bar and Watervliet Arsenal marks on the back.