Patriot CNC M-LOK handguard hand stop design has an exaggerated curve to allow better fitment when you are resting your hand against it. Attaches to any M-LOK tactical handguard. Is lightweight, low-profile M-LOK slot index point for improved weapon control, or as a forward stop to prevent the shooter’s hand from reaching the hot front sight assembly or muzzle. Made of CNC machined 6061 aluminum TYPE III anodized black.