Something that airsoft manufacturers would want to look into producing for the airsoft market if they want to have a compact pistol in their line up, the FN 509 Compact MRD... "With our patented Low-Profile Optics-Mounting System and unparalleled modularity of the FN 509 platform, the FN 509 Compact MRD joins the ranks packing a full-size punch in a compact, optics-ready package.