B&T USA XH556 RBS Ti, Suppressor, 223 Remington/5.56 NATO, 7.1" Length, 1.75" Diameter, Titanium and Inconel 718 Construction, Anodized Finish, Gray, HUB Compatible, Includes 1/2X28 Direct Thread Muzzle Device, 10.5oz SD-556RBS-Ti