1974-1985 era production has the attractive orange polymer grip and steel scabbard, notched to work as a wire cutter with the bayonet. 10.75 inches in overall length with a 5.75 inch brite blade.
The Type 2 style was introduced in the 1960's and has the change to steel pommel from the Type 1 plastic and polymer. very good to excellent condition. Most will have rubber insulator.