Muzzle Flash Reduction Device. Manufactured from aerospace 17-4 stainless steel Minimal chance of corrosion. Salt bath nitride finish keeps maintenance to a minimum.Thread
: 1/2 x 28 TPI
Note: The Standard Length with 1/2 x 28 TPI is compatible with Advanced Armament Omni, Gemtech Halo, KAC NT-4 QDSS.