Tacfire AR15 Quad Rail 7in 2-Piece Drop-InLight Weight Black. The 2-piece design makes it easy to install and remove for cleaning. The generous 2 rails make it easy to mount long scopes and other accessories. Constructed of heat-treated aircraft grade aluminum the handguard rails are rugged and imporve sighting ability with multiple attachment points to the upper rail. The rails also feature an extended heat shield to protect the smaller diameter rails from wear and tear. Specifications for Tacfire AR15/M4 Quad Rails 2-Piece Drop In: Manufacturer: TacFire Color: Black Fabric/Material: Anodized aircraft grade aluminum; Gun Make: AR Platform Gun Model: M4 AR-15 Gun Type: Rifle Handguard Type: Drop-In Handguard Style: Quad Rail Gun Rail: Picatinny Condition: New Included Accessories: Standard Quantity: 1 Package Contents: Tacfire AR15/M4 Quad Rails 2-Piece Drop In Tacfire HG01-7: AR15 Quad Rail 7in 2-Piece Drop-InLight Weight Black