This AR-15 Low Profile Micro Gas Block fits under nearly any quad rail system. It's Clamp-on design tightens securely around a .750" barrel without damaging or marring the finish.
Includes Roll Pin, 2 Screws and Allen Wrench
Note: Not designed for bull barrel mounts
Hardened Steel construction
Non-reflective, Matte Black finish
Fits: AR .750" barrels