G.P.S. TACTICAL SUPPRESSOR COVERS GPS Tactical Suppressor covers reduces the visual mirage caused by heat radiating off a rifle's suppressor during shooting. These covers are constructed from 1000D Nylon and feature a heat resistant inner fiberglass and silicon lining. FEATURES 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? Mfg: G.P.S.