JE Machine Tech Polymer Rail Adapter for Compact/Full Size Pistols Picatinny Black. Features/Specifications: Made of anodized aircraft grade aluminum Accessories slide onto the picatinny Picatinny quickly attaches/releases from the rail system Durable lightweight construction Specifications for JE Machine Tech Polymer Rail Adapter for Compact/Full Size Pistols Picatinny: Manufacturer: JE Machine Tech Color: Black Fabric/Material: Made of anodized aircraft grade aluminum Gun Rail: Picatinny Additional Features: Accessories slide onto the picatinny Features of JE Machine Tech Polymer Rail Adapter for Compact/Full Size Pistols Picatinny: Made of anodized aircraft grade aluminum Accessories slide onto the picatinny Picatinny quickly attaches/releases from the rail system Durable lightweight construction Package Contents: JE Machine Tech Polymer Rail Adapter for Compact/Full Size Pistols Picatinny JE Machine Tech TS-AR2: Polymer Picatinny Rail Adapter for Compact/Full Size Pistols Black