FN ® - The World's Most Battle-Proven Firearms.™

Thank you for your interest in FN Firearms.
Our site is for individuals 18 years of age or older.

Are you 18 years of age or older?


FN 509®

Available for commercial, law enforcement, and military.

MSRP: $754.00

360 View

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.

Learn More

FN 509® Sell Sheet

66-100002FN 509 NMS BLK/BLK DS 2X17845737008079
66-100003FN 509 NMS BLK/BLK DS 2X10845737008086
66-100489FN 509 NMS FDE/FDE DS 2X17845737010232
66-100490FN 509 NMS FDE/FDE DS 2X10845737010225
66-100241FN 509 NMS 4.25 BLK/BLK DS 2X10845737009533
66-100005FN 509 NMS Blk/Blk (3) 17-Rnd Night Sight LE845737008109
66-100491 FN 509 NMS FDE/FDE (3) 17-Rnd Night Sight LE845737010218
20-100032-1FN 509, 9mm Mag 17RD BK845737007768
20-100032-2 FN 509, 9mm Mag 10RD BK845737007775
20-100032-3 FN 509 9mm Mag 24RD845737009793
Shop FN 509 Accessories

The FN 509® | His Family


The FN 509® | 1 Million Rounds of Testing is Here


  • Caliber: 9mm
  • Operation: Double-action
  • Mag Capacity: 10 or 17 Rd.
  • Weight: 26.9 oz.
  • Barrel Length: 4.0"
  • Overall Length: 7.4"
  • Twist Rate: 1:10" RH
  • Height: 5.56"
  • Width: 1.35"
  • Trigger Pull: 5.5 - 7.7 lb.
  • Sight Radius: 5.79"

Primary Features

Striker-fired autoloader

Double-action operation

Offered as a non-manual safety model

Fixed 3-dot luminescent sights (standard)

Fixed 3-dot green tritium night sight available (LE ONLY)


Easily racked, combat-style 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



Fully ambidextrous slide stop lever and magazine release


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


Two interchangeable backstraps

Two 17-round magazines or Two 10-round

Owner’s manual

Locking device

FN logo soft pistol case