The Sons of Liberty Gun Works NOX muzzle device expertly blends flash hider and compensator functionality delivering excellent flash suppression and muzzle climb reduction for .300 caliber firearms.NOX Series 3-Prong Muzzle Device7.62mm/30 Caliber compatibility5/8x24 threadingKey Mount pattern for Dead Air Armaments Sandman suppressors4140 Steel construction with QPQ finishTiming options: right-handed left-handed or neutralAmerican Made qualityDesigned for versatility and performance this muzzle device allows quick installation of suppressors and accessories while providing superior muzzle control for every type of shooter.