The minimalist ½-slot M-LOK Index Stop is a small hand stop primarily for the index finger as a reference point to maximize protection, comfort, and grip for the support hand by decreasing the risk of muzzling the support hand. The Index Stop has a ridged texture on the front and rear surfaces, and is built to the same dimensions (⅛ʺ protrusion from the rail surface) as Magpul Type 2 M-LOK Rail Covers for seamless integration. Molded from Magpul’s proprietary polymer.