The Sons of Liberty Gun Works NOX series of muzzle devices blend the line between flash hider and compensator. They provide excellent flash suppression, muzzle climb reduction, and allow the quick installation of suppressors and accessories utilizing the Key Mount pattern. Compatible with Dead Air Armaments Sandman line of suppressors. Their Smallest NOX muzzle device yet, the NOX-SC. NOX-SC is drilled for 9mm, has 1/2x28 threads and is Micro Key-Mo compatible.