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FNH USA 509 LS Edge Optic Ready 9mm Pistol – 17 RD


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Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.


The FN 509 LS EDGE™ is the ultimate tactical pistol. Made for the most demanding environments where split-seconds matter and holding the advantage in your hands is a must have. With a crisp and flat-faced trigger, flared aluminum magazine well and lightening-cut Long Slide, these in-factory enhancements compliment the FN 509 Low-Profile Optics-Mounting System™ and fiber optic sight package to help shooters master firearm control and build expert marksmanship. The newest Long Slide from FN is the most advanced striker fired 509 handgun available. Each high-performance feature was critically chosen to give you every advantage. Chambered in 9mm Luger and tested with a million of rounds of live fire, it’s equally at home defending freedom, or crushing the competition at a match.


  • Optimized long slide with patented optics mounting system
  • Flat-face trigger breaks cleanly at 90°
  • Enhanced ergonomics and adaptability fits all shooters



  • Long Slide recovers immediately, tracks perfectly
  • Lightening cuts reduce weight and improve balance speeding follow up shots
  • New, perimeter frame texture enhances grip, wet and dry
  • Two, interchangeable backstraps fits all hand sizes, mitigates felt recoil


  • 5” target-crowned, hammer forged barrel for tack-driving performance
  • Flat-face, facet-edge trigger breaks cleanly.
  • New, conical striker reduces 509 trigger pull weight by ~1-lbs.
  • Precision fiber optic front sight co-witnesses with MRD, blackout rear notch


  • Best-in-class Low-Profile Optics Mounting System™ fits most common MRDs
  • Oversized, ambidextrous slide stop
  • Long-wearing graphite PVD finish
  • Compatible with 24-round FN 509 magazine
  • Mil-Std 1913 rail fits all common weapon lights
  • Polished chamber and ramp for reliable feeding and extraction across ammunition types


  • Three, 17-rd magazines, graphite anodized aluminum floor plates drop faster
  • Flared, graphite anodized aluminum magwell speeds mag changes under stress
  • Oversized, knurled magazine release for instinctive operation
  • Trigger breaks at 90°, short takeup and positive reset speeds follow-up shots
  • 6.7″ sight radius with .040″ fiber optic sight post finds targets and transitions faster


  • Ballistic case
  • Four MRD Mounting Plates
  • Two interchangeable backstraps
  • Three 17-round magazines or Three 10-round magazines
  • Owner’s manual
  • Locking device


  • Caliber: 9mm
  • Operation: Double-action
  • Capacity: (3) 17 Rd
  • Weight: 31 oz.
  • Barrel Lenth: 5"
  • Overall Length: 8.2"
  • Twist Rate: 1:10" RH
  • Height: 5.9"
  • Width: 1.35"
  • Trigger Pull: 4.5 lb. -6.7 lb.
  • Sight Radius: 6.7"
More Information
SKU 66-100843
Product Type Handgun
Manufacturer FNH USA
Option FNH
Barrel Length 5"
Caliber 9mm
Optic Footprint Multi Platform
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