The AnechoX 223 is the ultimate compact titanium suppressor delivers great performance on the 22-550 or 5.56. The AnechoX 223 is the most accurate, lightest, quietest, lowest recoil, user-serviceable. It is the pinnacle of performance on the 5.56mm/223 caliber bolt action or semi-auto rifle. A tiny 8.3 ounce, 6.6 X 1.6 gun muffler. All AnechoX centerfire suppressors are made of Grade 5 Titanium, with 17-4 Stainless blast chambers and blast baffles to handle extreme erosion, uncorking pressure, and temperature right at your firearms muzzle. All use the unique X-Baffle Anechoic Chamber System with an interrupted central tube, and are finished with Cerakote C Series high-temperature thin film ceramic. The AnechoX 223 comes with a 0.8-ounce titanium 1/2X28 Direct Thread Adapter installed. It also accepts any AnechoX Direct Thread Adapters or any industry-standard 1-3/8-24 mount, including Bravo, Hub, Pistons, Boosters, Nielsen Devices, QDs, Tri-lugs, and more. To maximize sound performance and tailor your suppressor to your firearm, Caliber Specific Front Caps (purchased separately) are a great option.