"Looking for an optics-ready handgun, designed for concealed carry? Offering full-size performance in a compact, easy-to-conceal, optics-ready package, the FN 509 Compact Tactical Semi-Auto Pistol with Vortex Viper Optic is an easy, practical choice. Featuring a cold hammer-forged stainless steel barrel with a recessed crown, and a polished feed ramp and chamber, this pistol promises optimal accuracy and ultrareliable performance. The FN Low Profile Optics Mounting System, coupled with the Vortex Viper red dot (included), easily co-witnesses with the all black co-witness iron sights for enhanced point-and-shoot accuracy. The 1/2x28""-threaded barrel readily accepts a variety of aftermarket muzzle devices and suppressors. Plus, this pistol features an ambidextrous slide stop lever and magazine release, and sports a shortened grip for deep concealment. For a highly reliable, optics-ready package, the FN 509 Compact Semi-Auto Pistol with Vortex Viper Optic is the ideal choice. Includes 2 magazines. Cold hammer-forged stainless steel barrel Polished Chamber and feed ramp Threaded barrel Shortened grip for deep concealment Accessory rail (MIL-STD-1913) Ambidextrous slide stop and magazine release FN Low Profile Optics Mounting System"