Odin Works Mirage Suppressor Cover, 5.5 Long, Cordura 1000, Black OWG-SMC-BLK-5.5 The high temperature rated ODIN Gear Suppressor Mirage Cover is a step above the rest. The dual-fastening system allows for an easy install while securing it in place when shooting. The dual-fastening system ensures your ODIN Gear Suppressor Mirage Cover won't ever slide off during rifle recoil. Click the installation tab to learn more. The Made-in-America three-layer construction provides durability and the effectiveness you need. The inside lining is a heat resistant" non-melting material called Nomex" the same material integrated into the suits of firefighters. The exterior is Cordura 1000 and the interior is a heat-absorbing carbon felt" perfect for sustained fire on semi-auto rifles.