FN’s 509 pistol has a 4″ 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.
FN 66100003 5099mm Luger 4″ Barrel 10+1, Matte Black Polymer Frame With Mounting Rail, Matte Black Steel Slide, No Manual Safety