Full metal sound suppressor for all airsoft guns. Lenght 140mm, width 40mm. Suppressor has M14 anti-clockwise thread. So it is suitable for the most of AEGs such as M4,M16, AK, AUG, G36..etc. Body is made of aluminium with matt black surface. Every piece has unique serial number. Inside is sound absorption insert. Weight 170g. Suppressor is only for airsoft guns or as a decoration. Not for the real firearms.