Strike Industries LINKCFGBK: The Strike Industries Link Curved Fore Grip system is mountable to both M-Lok and Keymod rails. The foregrip is constructed of 6061T6 aluminum- making it ultra-durable for continued use. The ridged face allows a shooter to brace the rifle without worrying about the grip moving around. The curve can be used as a hand stop. The innovation in this grip will keep you happily stabilized throughout your shooting experience.