Out of stock
FN 509 Tactical 9mm Pistol | FDE
Out of stock

FN 509 Tactical 4.5" 9mm Pistol 17/24 Round, FDE - 100373

SKU 5165448717
Brand FNH
Model Number 66-100373
UPC 845737009137
All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Product Details


Caliber: 9mm

Overall Length: 7.9"

Barrel Length: 4.5"

Barrel Twist: 1:10 Right Hand

Barrel Material: Cold Hammer-Forged Stainless Steel

Barrel Thread: 1/2"x28

Operation: Double Action

Trigger Pull: 5.5 - 7.5 lbs

Sights: 3-Dot Fixed Night Sights

Slide Finish: Flat Dark Earth

Frame Finish: Flat Dark Earth

Magazines: 1-17rd & 1-24 rd


Get the all-new FN 509 Tactical Flat Dark Earth Optics and Suppressor ready 9mm Pistol with 17 round and 24 round magazines here at Palmetto State Armory!

The FN 509 Tactical is an extension of the FN 509 family. The pistol features the FN patent-pending Low-Profile Optics Mounting System that enables the platform to accept more than ten commercially-available miniature red dot (MRD) optics from Trijicon RMR, Vortex Razor, Vortex Viper, Vortex Venom, Burris FastFire, CMore STS II, and more that co-witness with the suppressor-height night sights and remain adaptable to future optics releases with no requirement of direct milling of the slide. The slide cap, for use when not shooting with an optic, has raised sight wings that protect iron sight alignment if the pistol is dropped or jostled, and provides a textured ramp for racking the slide against a belt loop, pant pocket or boot. An FN-signature 4.5-inch, cold hammer-forged, stainless-steel barrel with target crown, 1/2” x 28 threads that accept the bulk of 9mm suppressors available and thread cap with integrated O-ring to prevent loosening during use complete the top end. Lastly, this pistol comes with (1) 17 round magazine, (1) 24 round magazines (2) interchangeable backstraps, locking device, and an FN Logo soft pistol case.


  • FN Low Profile Optics Mounting System
  • Sight Protecting Slide Cap
  • External Extractor; Loaded Chamber Indicator
  • Cold Hammer-Forged Stainless Steel Barrel
  • Polished Chamber and Feed Ramp
  • 1/2"x28 Threaded Barrel
  • O-Ring Retention Thread Cap
  • Enhanced Grip Texture
  • Interchangeable Backstraps
  • MIL-STD-1913 Mounting Rail
  • Ambidextrous Slide Stop Lever and Magazine Release


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