Ulfhednar Miragecover II Silencer Long. It will reduces heat signature from the silencer in a tactical situation. It akso reduces sound from silencer when hitting objects like branches and similar when hunting. The Mk3 silencer miragecover can withstand heat up to 600 . Materials: Cordura(R) Dimensions: Max 60 mm Specifications for Ulfhednar Miragecover II Silencer: Manufacturer: Ulfhednar Fabric/Material: Cordura Kevlar Temperature Rating: 250 Celsius Quantity: 1 Diameter: 2 in Package Contents: Ulfhednar Miragecover II Silencer Ulfhednar UH142-MK3: Miragecover II Silencer Long