F.A.B. Defense Mag-Well Grip and Funnel, Fits AR-15, Flat Dark Earth FX-MWGT The MWG transforms the AR-15 magazine well into a comfortable" close ergonomic foregrip for enhanced maneuverability that doubles as a magazine funnel for easier" faster" more reliable magazine changes. This product is not compatible with Magpul Pmag M3 magazines.