The FN 509 Tactical is shown here with its factory 24-round magazine in place. The gun’s rear sight ears have been removed and an optics plate has been installed with a Trijicon RMR.

The FN 509 Tactical with a micro red-dot sight mounted to the slide. The magazine release and slide catch controls are completely ambidextrous, located in the same place on both sides of the pistol.

The new FN 509 Compact Tactical pistol features a threaded 4.3-inch cold hammer-forged barrel that is compatible with aftermarket accessories and muzzle devices such as compensators and ...

The FN 509 Tactical features a 4.5-inch threaded barrel with four-inch slide, FN Low-Profile Optics Mounting System, suppressor-height night sights that co-witness with miniature red dot optics ...

Apex Tactical Specialties has expanded its aftermarket upgrade options for the FN 509 series of pistols with the addition of a new curved trigger version of its popular Action Enhancement Kit.The ...

FN America, LLC announces the release of the FN 509® MRD pistol, an optics-ready duty pistol designed specifically for agencies considering miniature red dot optic-equipped pistols ...

FN America is showcasing its FN 509® MRD at SHOT Show 2019. FN America is showcasing its FN 509® MRD at SHOT Show 2019. The 509 MRD features the company’s patent-pending Low-Profile Optics ...