JE Machine Tech Stinger 12-Piece Heat Resistant Picatinny/Weaver Rail Cover Mil Std Black. Stinger 12 piece Mil-Std-1913 Picatinny/weaver Rail cover-Black Specifications for JE Machine Tech Stinger 12-Piece Heat Resistant Picatinny/Weaver Rail Cover: Manufacturer: JE Machine Tech Color: Black Fabric/Material: Polymer Width: 1 in Additional Features: Covers snap easily into place over exposed sections of rail Mount Type: Weaver Gun Rail: Weaver Picatinny Features of JE Machine Tech Stinger 12-Piece Heat Resistant Picatinny/Weaver Rail Cover: Covers snap easily into place over exposed sections of rail for improved grip and comfort Durable and lightweight Water proof and temperature resistant 12 piece set of snap-on rail covers for picatinny quad rail handguard Package Contents: J&E Machine Tech Stinger 12-Piece Heat Resistant Picatinny/Weaver Rail Cover JE Machine Tech TS-AR6: Stinger 12-Piece Heat Resistant Picatinny/Weaver Rail Cover Mil Std Black