The B&T-SF HUB Adapter Muzzle Device Suppressor mount is fully compatible with all 1.375x24TPI "HUB" compatible suppressors on the market today and is constructed of Titanium and stainless steel components. This HUB is compatible with all B&T Rotex flash hiders, as well as all SureFire SOCOM flash hiders, muzzle brakes and WarComp hybrid muzzle devices. The HUB is simply threaded into compatible suppressors and snugged up with a spanner wrench. HUB assemblies can be semi-permanently attached using Rocksett or other thread locking compounds should the end user desire. FeaturesFully HUB Compatible (1.375x24TPI)Constructed of Titanium and Stainless SteelB&T Rotex Flash Hider and SureFire SOCOM Muzzle Device compatibleOne-Hand Mounting System5.56x45mm & 7.62x51mm Compatible