The Odin Works O2 Lite 9.5" Free Float Forend is the latest and lightest of all of its formers. Engineered 20% lighter with advanced ergonomics for comfort and improved performance. Accessory rails can be placed at 3, 6, and 9 o'clock positions and can be joined to create continuous Pic Spec Rail. There are four or more QD attachment points made to fit Magpul QD. It also allows for low profile gas block to fit inside.