FN 509 9 mm Luger 4in Black Handgun - FN's 509 pistol is built on the proven architecture of the FNS Compact. It features a cold hammer-forged stainless steel barrel with a black finish and a recessed target crown. The grip has an enhanced grip texture which enables faster follow-up shots and interchangeable backstraps. This model has a Mil-STD-1913 accessory rail and comes with two magazines. Hammer-forged Stainless Barrel Striker Fired Fixed 3-Dot Luminescent Sights Fully Ambidextrous