GPS Tactical Suppressor Cover Black 6in. Heat resistant inner fiberglass and silicon lining. The tether line prevents cover from sliding forward during shooting. Specifications for GPS Bags Tactical Suppressor Cover 22 LR: Manufacturer: GPS Gun Make: Universal Features of GPS Bags Tactical Suppressor Cover 22 LR Reduces the visual "mirage" caused by heat radiating off a rifle's suppressor during shooting 1000D nylon Heat resistant inner fiberglass and silicon lining Tether line prevents cover from sliding forward during shooting Package Contents: GPS Bags Tactical Suppressor Cover 22 LR GPS GPS-T800-6B: Tactical Suppressor Cover Black 6in