FN 509 Mid-Size MRD 9mm, 4" Barrel, Optic Ready, 2 15rd, MFG# 66-100587 UPC# 845737010737

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 a 15-round capacity and is compatible with all FN 509 magazines with use o