With our patented Low-Profile Optics Mounting System and unparalleled modularity of the FN 509 platform the FN 509 Compact MRD joins the ranks packing a full-size punch in a compact optics-ready package. The pistol is 9mm and striker-fired with 3.7-inch barrel standard 12+1 capacity and the capability to accept all higher capacity FN 509 magazines. The patented FN Low-Profile Optics Mounting System accepts nearly all commercially available miniature red dot optics and features blackout iron sights that co-witness. The improved controls aid in manipulation the new improved texturing on the two included backstraps provides better recoil management and a new flatter faced trigger allows for more controllable trigger press and cleaner break. - Caliber: 9mm - Operation: Double-action - Mag Capacity: 12/15 Rd. - Weight: 25.5 oz. - Barrel Length: 3.7 - Overall Length: 6.8 - Twist Rate: 1:10 RH - Height: 5.2 / 4.8 - Width: 1.35 - Trigger Pull: 5.5 - 7.5 lb. - Sight Radius: 5.6 - Primary Features - Full-sized performance in a concealed carry package - Striker-fired autoloader - Double-action operation - Fully ambidextrous controls - FN Low Profile Optics Mounting System with plate adapters for direct mounting of more than 10 optics - All-black co-witness iron sights - SLIDE - Easily racked combat-style sights - External extractor; loaded chamber indicator - Improved front and rear cocking serrations - BARREL - Cold hammer-forged stainless steel - Recessed target crown - Polished chamber and feed ramp - FRAME - Polymer construction with replaceable steel frame rails - Shortened grip for easier concealment - Enhanced grip textures which enables faster follow-up shots in all conditions - Interchangeable backstraps - MIL-STD-1913 accessory mounting rail - Improved flatter face trigger - OPERATING CONTROLS - Fully ambidextrous slide stop lever and magazine release - MAGAZINE - High visibility low-friction follower; polymer base with black finish - Comes with one 12-round and one 15-round magazine - Compatible with FN 509 17-round and 24-round magazines with appropriate magazine sleeves - SHIPS WITH - Two interchangeable backstraps - One 12-round and one 15-round magazine - Owner's manual - Locking device - FN logo soft pistol case