Magpul CTR/MOE 0.25" Cheek Riser Black. Clip on cheek riser for the MOE and CTR stocks. Raises cheek weld 1/4 inch in height. This riser is for use on NON AR15/M4 applications as the riser will interfere with charging handle function (not applicable to airsoft usage) . Originally designed for M14 carbine stock conversions. Good for airsoft too.