The FN 509 LS Edge is FN's competition-focused long-slide 509 variant, combining a 5-inch barrel, optics-ready slide, and adjustable flat-face trigger in a factory competition package. Designed to compete in Production Optics and Limited Optics USPSA divisions. The Edge designation indicates FN's premium competition offering within the 509 family. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2020, Belgium Weight: 30.2 oz Overall length: 8.3" Status: Active Intended use: competition, range