Upgrade your EDC with the all-new FN 509 Midsize. This ideal combination of a four-inch slide and barrel with a midsize frame retains full-sized pistol performance in an easily-concealed package. The 9mm pistol ships standard with 15-round capacity and is compatible with all FN 509 magazines with use of a sleeve. 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: 10 or 15 Rd. - Weight: 26.5 oz. - Barrel Length: 4.0 - Overall Length: 7.4 - Twist Rate: 1:10 RH - Height: 5.2 - Width: 1.35 - Trigger Pull: 5.5-7.5 lb. - Sight Radius: 5.79 - Primary Features - Full-sized performance in a concealed carry package - Striker-fired autoloader - Double-action operation - Fully ambidextrous controls - Offered as a non-manual safety model - Fixed 3-dot luminescent sights (standard) - 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 - 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 - Compatible with FN 509 17-round and 24-round magazines with appropriate magazine sleeves - SHIPS WITH - Two interchangeable backstraps - Two 15-round magazines or Two 10-round - Owner's manual - Locking device - FN logo soft pistol case