The FN 509 LS Edge 9mm Luger Pistol is designed with an oversize, ambidextrous slide stop. This handgun also features a target-crowned, hammer-forged barrel, as well as a precision fiber optic front sight co-witnesses with MRD rear notch. FN 509 LS Edge 9mm Luger Pistol - Handgun Semiauto Center Fire at Academy Sports