FN 509 9mm 17rd 4″ Pistol Night Sights 66-100005



Buy FN 509 9mm 17rd 4″ Pistol Night Sights 66-100005 Online

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.


  • Striker-fired autoloader
  • Double-action operation
  • 5.5 to 7.5 lbs. trigger pull
  • Fully ambidextrous controls
  • World-class, military-grade barrels


  • Easily racked, combat-style sights
  • External extractor; loaded chamber indicator
  • An improved front and rear cocking serrations


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


  • Enhanced grip texture 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


More Information
SKU 31300373
UPC 845737008109
Brand FNH
Model Name 509
MPN 66-100005
Caliber 9mm
Class Full-size
Capacity 17+1
Barrel Length 4″
Length 7.4″
Weight 26.9 oz.
Sights Night Sights
Grip Enhanced Texture
Trigger Standard
Finish Black
Condition New in Box


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