FN 509 for Sale
Browse FN 509 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The FN 509 debuted in 2017, developed by FN Herstal to meet FBI standards for duty pistols. It combines ruggedness with modular design for versatile use. The 509 remains popular among law enforcement and civilian markets for self-defense and duty roles.
Why It's a Top Choice
- High-capacity striker-fired pistol with robust reliability
- Modular grip system for customizable ergonomics
- Fiber optic sights standard on many models for quick target acquisition
- Ambidextrous controls suit left- and right-handed shooters
- Strong aftermarket support and accessories availability
Key Variants
FN 509 Tactical
Designed for duty and tactical professionals with enhanced optics-ready slide and threaded barrel.
FN 509 Midsize
Offers a balance of concealability and capacity, ideal for daily carry.
FN 509 LS Edge
Performance-oriented version with enhanced trigger and optics-ready slide for competition use.
Competitor Comparison
| Feature | FN 509 | Glock 17 | Sig Sauer P320 |
|---|---|---|---|
| MSRP | $649 | $599 | $649 |
| Capacity/Size | 17+1 rounds, full-size 4.5\" barrel | 17+1 rounds, full-size 4.49\" barrel | 17+1 rounds, full-size 4.7\" barrel |
| Weight | 26.7 oz | 22 oz | 29 oz |
| Optics-Ready | Yes (select models) | Yes (MOS models) | Yes (standard) |
| Trigger Type | Striker-fired | Striker-fired | Striker-fired |
| Notable Pro | Ergonomic modular grips | Proven reliability | Modular frame system |
| Notable Con | Heavier than some competitors | Less grip customization | Higher MSRP |
Best Use Cases
- Self-defense and concealed carry
- Law enforcement duty use
- Range practice and training
- Home defense
- Competition shooting (especially LS Edge)
FAQs
Can I mount a red dot sight on the FN 509?
Yes, select FN 509 models feature optics-ready slides that accept popular micro red dot sights for faster target acquisition.
What is the magazine capacity of the FN 509?
The standard magazine capacity is 17 rounds of 9mm in the full-size FN 509.
How does the FN 509 compare in reliability?
FN 509 meets MIL-STD-810 standards and FBI requirements, proving highly reliable in various conditions.
Prefer nearby results? Toggle to search local listings.
FN 509 Full Size 9mm Luger Semi Auto Pis
$629.00
FN 509 Compact Tactical 9mm Handgun FDE
$929.00
FN America 509 LS Edge (66-100843)
$1,299.99


