Odin Works RUNE Forend, 15 MLOK Forend, Black, Fits AR-15 F-15-ML-RUNE The RUNE is the latest addition to the ODIN Works modular" free-float rail systems. With its sleek and simple design" it fits comfortably into your hand allowing for quick and accurate target acquisition. Constructed out of high-grade Aluminum and weighing in at just over 5 oz" the RUNE is also one of the lightest hand guards on the market to date. Featuring Magpul's M-LOK technology" full customization is possible in the 3" 6" 9 and 12 o'clock positions. Secure modular attachment of lights" bipods" and other accessories makes the RUNE a must for any rifle build.