
The FN 509 Midsize Tactical is a red dot-ready, suppressor-ready 9mm pistol designed for defensive use and high-round-count training. Its cold hammer-forged stainless steel barrel measures 4.5 inches and features a recessed target crown with 1/2x28 threading. The FN Low-Profile Optics-Mounting System supports a broad selection of red dot sights, while suppressor-height 3-dot night sights provide a visible aiming reference with or without a mounted suppressor. Fully ambidextrous controls, improved front and rear cocking serrations, a flat-faced trigger, external extractor, loaded chamber indicator, and MIL-STD-1913 accessory rail add practical capability. The pistol includes 15+1 and 24+1 magazines, a case, locking device, and owner's manual.
Key features
- 4.5-inch cold hammer-forged stainless steel threaded barrel with recessed target crown
- FN Low-Profile Optics-Mounting System for red dot sight installation
- Suppressor-height 3-dot night sights for visibility with or without a suppressor
- Fully ambidextrous controls with integrated trigger safety and manual safety
- 15+1 standard capacity with an included 24+1 extended magazine for training
- MIL-STD-1913 accessory rail for lights and other compatible accessories
The FN 509 Midsize Tactical combines optic and suppressor readiness with adaptable capacity and ambidextrous controls for a versatile 9mm platform.
FN 509 Midsize Tactical Optic-Ready 9mm Black Pistol: quick facts
- What caliber is the FN 509 Midsize Tactical Optic-Ready 9mm Black Pistol?
- It is chambered in 9mm.
- How many rounds does it hold?
- 15+1 rounds; magazines included: 2.
- How big and heavy is it?
- Barrel length 4.5 inches, overall length 7.9 inches, weight 26.5 ounces.
- What kind of action does it use?
- Semi-Automatic.
- Is it optic ready or threaded?
- Optic ready: Yes; threaded barrel: Yes.
- What sights and finish does it have?
- Sights: Night Sights; finish: Black.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Iowa?
- Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Handguns ship to the Iowa dealer you pick at checkout, where you complete Form 4473 and the background check before pickup.
- Is it in stock?
- Yes, at $730.24. Orders leave within 1-2 business days; shipping is free over $999.







