Designed specifically for 10-inch and longer M4/M16-variant rifles and carbines; 6.4-inch overall length optimized for superior signature reduction; Reduces sound at shooters ear to 133 dB; Eliminates first-round flash, a phenomenon common in most suppressors; Suppresses visible flash up to 99.3% over a bare muzzle; Tight tolerances and precision bore concentricity result in superior accuracy; Durable high-temperature Inconel alloy/stainless-steel construction withstands full-auto use; Cutting-edge internal venting reduces back pressure, cyclic rate and gas blowback to significantly reduce operating temperatures; Compatible with the SureFire array of Fast-Attach mounting adapters (flash hiders, Muzzle brakes, and WARCOMPS); Fast-Attach design allows fast, secure, easy attachment and removal without tools