These M6 bayonets are made up of new production and new old stock GI parts. Only the blade and cross guard are new production. All other parts are new original GI parts. Blades are made of 4140 steel and have a hardness of 60 hrc. Cross guards have all the correct markings. The scabbard is an KM8A1 scabbard. KM8A1 scabbards were manufactured in South Korea for the ROK Army. These are new old stock scabbards.