The FN 509® Tactical, an extension of the FN 509 family and based on FN's U.S. Army-tested submission pistol, features the Low-Profile Optics Mounting System™ (U.S. Patent No. 10/352,654) for compatibility with various miniature red dot optics, co-witnessing with suppressor-height night sights. It also includes raised sight wings on the slide cap for iron sight protection and a textured ramp for easy slide manipulation, along with a 4.5-inch threaded barrel and 24-round magazines for enhanced performance and capacity.

• Striker-fired autoloader with a 5.5 to 7.7 lbs. trigger pull
• FN Low Profile Optics Mounting System™, threaded barrel, and Trijicon night sights; fully ambidextrous controls; includes 17-round and 24-round magazines.

• Caliber: 9mm
• Operation: Double-action
• Barrel Length: 4.5"
• Weight: 27.9 oz.
• Overall Length: 7.9"
• Height: 5.75"
• Width: 1.35"
• Mag Capacity: 10 or 17/24 Rd.
• Twist Rate: 1:10" RH
• Trigger Pull: 5.5 - 7.7 lb.
• Sight Radius: 5.79"