Also fits Surefire SOCOM 556-SB/SB2, SOCOM762-MINI2, and SOCOM68.   A combination of Kevlar, basalt, amorphous silica, and aluminized silica joined together with Kevlar and stainless steel thread to create the full auto rated Liberty's Defense straightJacket Thermal Attenuator, which provides absolute flame resistance and heat mitigation for direct and continuous contact with your silencer's extreme continuous temperatures up to 2,000°F and short excursions of 3,000°F. Due to an overwhelming surge of orders and contracts, our current lead time can be up to approximately five to six weeks.