FN

Complimenting the FN 509 Series is the all-new FN 509 MRD fullsize pistol equipped with the company's patented Low- Profile Optics-Mounting System to users who want a full-sized duty-style pistol for personal or home defense. The pistol is chambered in 9mm and features a 4.5-inch cold hammer-forged barrel cut from the company's proprietary machine gun-grade stainless steel. The barrel features the FN 509-signature recessed target crown to protect rifling maintaining accuracy and performance throughout the lifespan of the pistol. The full-sized slide and frame offer a secure grip and reduced recoil thanks to added weight and length of the slide. The FN 509 series of pistols includes Compact Midsize Standard and now Full-sized models. - Caliber: 9mm - Operation: Double-action striker-fired - Mag Capacity: 17 Rd. - Weight: 27 oz. - Barrel Length: 4.5 - Overall Length: 7.9 - Twist Rate: 1:10 RH - Height: 5.56 - Width: 1.35 - Trigger Pull: 4.5 lb.-6.0 lb. - Sight Radius: 6.3 - Primary Features - FN Low Profile Optics Mounting System with plate adapters for direct mounting of most major pistol red dot optics - All-black co-witness iron sights - SLIDE - Fullsize slide with longer sight radius - Aggressive slide serrations for positive manipulation - External extractor loaded chamber visual indicator - BARREL - Cold hammer-forged stainless steel - Recessed target crown - Polished chamber and feed ramp - FRAME - Enhanced grip texture which enables faster follow-up shots in all conditions - Interchangeable backstraps - MIL-STD-1913 accessory mounting rail - OPERATING CONTROLS - Fully ambidextrous slide stop lever and magazine release - MAGAZINE - High visibility low-friction follower; polymer base with black finish - SHIPS WITH - Three interchangeable backstraps - Two 17-round magazines or Two 10-round magazines - Four MRD mounting plates - Owner's manual - Locking device - FN logo case