JE Machine Tech Stinger 20-Piece Heat Resistant Picatinny/Weaver Rail Cover Tan. The JE Machine Stinger Picatinny Rail Covers are constructed of a heat resistant glass filled nylon polymer that isbraided along the seams for a tight durable fit. The JE Machine Stinger Rail Covers can be used anywhere you need to protect your rail from damage without adding bulk or weight. The Stinger Rail Covers can also be used as a shoe cover a bikini rail a helmet liner and many other off-gassing situations. Specifications for JE Machine Tech Stinger 20-Piece Heat Resistant Picatinny/Weaver Rail Cover: Manufacturer: JE Machine Tech Color: Tan Fabric/Material: Polymer Additional Features: Rail Cover 20 Pack Gun Rail: Picatinny Package Contents: JE Machine Tech Stinger 20-Piece Heat Resistant Picatinny/Weaver Rail Cover The J&E Machine Tech Stinger 20-Piece Heat Resistant Picatinny/Weaver Rail Cover is a quality addition to the JE Machine Tech lineup. For more great deals on Rail Covers by JE Machine Tech please browse our J & E Machine Tech Weapon Accessories page. JE Machine Tech JE Stinger Picatinny Rail Cvr Tan 20pcs Per Pkg