The Rotex-SF HUB 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 SOCOM flash hiders, muzzle brakes, and 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. The Rotex-SF HUB ships standard with all Rotex and SRBS rifle suppressors.