Strike Industries Link Curved Foregrip, Black, Fits MLOK and Keymod SI-LINK-CFG-BK The Strike Industries LINK-CFG (Curved Fore Grip) design was derived from the Cobra Tactical Fore Grip and features SI's (patent pending) LINK system which is mountable to both M-Lok and Keymod rails. The LINK-CFG is constructed of 6061T6 aluminum- making it ultra-durable for continued use. Using these grips" shooters can apply different techniques to adapt to various scenarios: At the front" a ridged face allows a shooter to support the rifle without worrying about the grip moving around. At the rear of the grip" the curve can be used as a hand stop. The innovation in this grip will keep you happily stabilized throughout your shooting experience.