Knight's URX 3/3.1 8-Rib Rail Section Kit, Fits Finish 30412-ALU

Knights Armament Co.'s URX 3.1 3" Seven Slot Picatinny Rail Section attaches directly to a URX III or 3.1 modular handguard via a hex head screw. It allows the user to install any number of tactical accessories to the forend if desired. Installation hardware included. The 30412-ALU is a more robust rail constructed of anodized aluminum.