An extremely rugged suppressor the HX-QD 556 updated with our newly designed flash cap is built with patented and proven OSS Flow-Through technology delivers hearing safe mid-130s dB and zero flash performance is full-auto rated easily passes the USSOCOM Reliability Stress Test and has no minimum barrel restrictions it's the ideal suppressor for all 5.56 rifles. - Compatible with Muzzle Brake-QD 556 and Flash Hider-QD 556. - WEIGHT 17.3 oz - LENGTH 6.67 in - DIAMETER 1.60 in - Materials & Finish: Unlike traditional suppressors that manage trapped gas intense heat and pressure with blast baffles OSS Flow-Through technology redirects expanding gases forward allowing us to use 17-4 stainless steel deflectors and internal Grade 5 Titanium coils. The result is a remarkably cooler and extremely durable suppressor. The HX-QD 556 has a fully-welded outer body made of 17-4 heat treated stainless steel coated with C-series high temperature black Cerakote. - Sound Pressure Levels: The HX-QD 556 is the optimal choice for the widest range of 5.56 caliber rifles. Sound pressure levels are measured at the shooters ear to comply with current military specifications: - 130-134 dB on 20 AR15 DI using commercial grade 55 gr ammo - 133-137 dB on 16 AR15 DI using commercial grade 55 gr ammo - 138-142 dB on 10.5 AR15 DI using commercial grade 55 gr ammo
