The original affordable, durable, free-float handguard. Features include: mounting points for our Swiveling Sling Studs, Mil. Spec. Picatinny rails, they accept our Forearm End Caps and they utilize our anti-rotation screws. The barrel nut and forearm tube are made of aircraft quality aluminum and hardcoat anodized to Mil. Specs. The jam nut and anti-rotation screws are made from steel and plated a black matte finish to match.