Every aspect of the FN 509 LS Edge has been optimized to make it one of the best tactical pistols on the market. The front of the slide features lightening cuts for reduced weight and improved balance, while the rear has been pre-milled for the installation of a MRD which can be co-witnessed with the front sight. The 509 LS Edge also features and oversized magazine release and a flared aluminum magazine well for fast and instinctive reloading even in stressful situations. In addition, the trigger sports a flat-faced design with a 4-5 pound pull that breaks cleanly at 90 ° . Features of the FN 509 LS Edge: Pre-milled slide for the installation of a MRD Lightning cut slide serrations Flat-faced trigger Interchangeable back straps FN America FN 509 LS Edge 9mm NMS BLK/GRY Pistol w/(3) 17rd Mags 66-100843