Full-size punch in a compact package with FN’s patented Low-Pro le Optics Mounting System and unparalleled modularity of the FN 509 platform, the FN 509 Compact. The pistol is 9mm and striker- red with 3.7-inch barrel, and the capability to accept all higher capacity FN 509 magazines. The improved controls aid in manipulation, improved texturing on the two included backstraps provides better recoil management, and a atter faced trigger allows for more controllable trigger press and cleaner break.