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FNH USA 509 Full Size 9mm Pistol w/ Night Sights - 10rd



The FN 509® is built on the proven architecture of the FNS™ Compact, FN made changes internally and externally to meet the rigorous performance standards of the MHS requirements and further developed the platform into the FN 509® with the help from industry experts. Over the course of development, the platform has been tested extensively for reliability, ammunition compatibility and durability – totaling more than one million rounds.



  • CALIBER: 9mm
  • OPERATION: Double-action
  • MAG CAPACITY: (3) 10 Round Magazines
  • WEIGHT: 26.9 oz.
  • TWIST RATE: 1:10" RH
  • HEIGHT: 5.56"
  • WIDTH: 1.35"
  • TRIGGER PULL: 5.5 - 7.5 lb.
  • SIGHT RADIUS: 5.79"



  • Striker-fired autoloader
  • Double-action operation
  • Offered as a non-manual safety model
  • Night Sights



  • Easily racked, night sights
  • External extractor; loaded chamber indicator
  • Improved front and rear cocking serrations



  • Cold hammer-forged stainless steel
  • Recessed target crown
  • Polished chamber and feed ramp



  • Polymer construction with replaceable steel frame/slide rails
  • Enhanced grip textures which enables faster follow-up shots in all conditions
  • Interchangeable backstraps
  • MIL-STD-1913 accessory mounting rail


Operating Controls:

  • Fully ambidextrous slide stop lever and magazine release



  • High visibility, low-friction follower; polymer base with black finish


Ships With:

  • Two interchangeable backstraps
  • Three 10-round Magazines
  • Owner’s manual
  • Locking device
  • FN logo soft pistol case
More Information
SKU 66-100581
Product Type Handgun
Manufacturer FNH USA
Color Black
Finish Black
Option FNH
Size Full
Barrel Length 4"
Caliber 9mm
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