Introducing the FN 509 MRD full-size pistol, the latest addition to the esteemed FN 509 series. Engineered for users seeking a robust duty-style pistol for personal or home defense, this 9mm chambered firearm boasts a 4.50 inches cold hammer-forged barrel crafted from FN's proprietary machine gun-grade stainless steel. Featuring FN's signature recessed target crown, the barrel ensures long-lasting accuracy and performance. Designed for enhanced control and reduced recoil, the full-sized slide and frame provide a secure grip. The FN 509 series now encompasses Compact, Midsize, Standard and full-sized models, catering to a wide range of preferences and needs.