The FN America 509 9mm 4″ 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.
FN America 509 9mm 4″ Specifications
- 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″
- UPC: 845737008079
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)
SLIDE
- Easily racked, combat-style sights
- External extractor; loaded chamber indicator
- Improved front and rear cocking serrations
BARREL
- Cold hammer-forged stainless steel
- Recessed target crown
- Polished chamber and feed ramp
FRAME
- 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
MAGAZINE
- High visibility, low-friction follower; polymer base with black finish
SHIPS WITH
- Two interchangeable backstraps
- Two 17-round magazines
- Owner’s manual
- Locking device
- FN logo soft pistol case
