b'GATE-LOK MountsThe Griffin GATE-LOK system was designed to provide an active locking mount with unmatched speed of attachment and durability. Griffin has been manufacturing these mounts for over ten years with slight revisions to the system along the way. These mounts will fit mil spec A2 flash hiders as well as Griffin GATE-LOK muzzle devices. Griffins devices are engineered to have a more precise fitment and will exhibit better accuracy and lower POI shift than A2 birdcage devices on the market. 140'