(66100373) This is a FN 509 Tactical semi-automatic pistol chambered in 9mm. This DAO pistol features a black finish on the frame/slide, front serrations on the stainless steel slide, interchangeable backstraps, no manual safety, 3-Dot Night Suppressor height sights, and a weight of 27.9 ounces. It is striker-fired and has a standard 1913 accessory rail, ambidextrous slide stop lever and mag release, loaded chamber indicator, and an external extractor. This model comes with one 17-round magazine and 2 24-round magazines and a FN logo soft pistol case. Optics Mounting system ready.