FN 509 - 9mm Luger (9x19 Parabellum) SEMI-AUTOMATIC PISTOL The FN 509 is a striker-fired, semi-automatic pistol chambered in 9mm Luger, engineered to meet rigorous military-grade standards and deliver reliable defensive performance, duty readiness, and everyday shooting versatility. Built with input from extensive testing and real-world operational requirements, the FN 509 combines durability, ergonomic control, and proven function in a polymer-frame platform suited for personal protection, law enforcement, and range use. Constructed with a corrosion-resistant steel slide and a glass-reinforced polymer frame, the FN 509 features a flat-face striker-fired trigger, aggressive slide serrations for positive manipulation, and a textured grip for secure handling. The pistol incorporates a MIL-STD-1913 (Picatinny) optics-ready slide on many configurations, low-profile combat sights, and interchangeable backstraps to tailor the grip to the shooter. Its consistent trigger pull and balanced recoil make it controllable and accurate across rapid follow-ups. Engineered for durability and repeatable performance, the FN 509 emphasizes reliability under adverse conditions, straightforward controls, and adaptable modularity. Its 9mm chambering, high-capacity magazines, and robust design make it a dependable choice for defensive carry, duty use, and general shooting applications. Specifications Model: FN 509 Caliber: 9mm Luger (9x19 Parabellum) Action: Semi-automatic, striker-fired Barrel Length: Approx. 4.0 inches Overall Length: Approx. 7.4 inches Height: Approx. 5.3 inches Width: Approx. 1.3-1.4 inches Capacity: 17+1 rounds (standard) Trigger: Striker-fired, flat-face trigger Weight: Approx. 1.5-1.6 lbs (unloaded) The FN 509 in 9mm Luger offers modern defensive performance, striker-fired reliability, and tactical-ready features in a rugged, dependable semi-automatic pistol platform. Built for everyday carry, duty use, and practical shooting, it delivers consistent results across diverse scenarios.