It Compatible with Industry Standard tube thread, 1.375x24 TPI , please check your product fit or not Please see it , Hole ID 0.224. 22; 0.308 .30 ; 0.42 9mm; 0.57 .45 It made according to American standards, Material upgrade, very popular in the American market. It can use for JK MST Kit , SDTA . Make your product cooler.syi