FNS 40 for Sale
Browse fns 40 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The FNS 40 is a striker-fired pistol developed by FN America for law enforcement and civilian markets. Designed for quick target acquisition and ergonomic reliability, it balances stopping power with control in a full-size configuration. Though discontinued in favor of FN's 509 series, the FNS 40 remains a trusted choice among value-conscious shooters.
Why It's a Top Choice
- Reliable striker-fired system proven in law enforcement testing
- Chambered in .40 S&W for increased stopping power
- Ambidextrous controls for left- or right-handed shooters
- Integrated accessory rail for lights or lasers
- Textured grip and low bore axis for reduced muzzle flip
Key Variants
FNS 40 Longslide
Optimized for competition and precise shots with a 5-inch barrel for extended sight radius.
FNS 40 Compact
Ideal for concealed carry with a reduced frame and barrel length without sacrificing firepower.
FNS 40 LE
Law enforcement edition with night sights and additional magazines included from the factory.
Competitor Comparison Table
| Feature | Fns 40 | Glock 23 | Smith & Wesson M&P40 |
|---|---|---|---|
| MSRP | $599 | $599 | $569 |
| Capacity | 14+1 | 13+1 | 15+1 |
| Weight (unloaded) | 27.5 oz | 23.7 oz | 27 oz |
| Optics-ready | No | No | Select models |
| Trigger type | Striker-fired | Striker-fired | Striker-fired |
| Notable pro | Fully ambidextrous design | Widespread aftermarket support | Excellent ergonomics |
| Notable con | Limited aftermarket options | Lower capacity | Grip texture polarizing |
Best Use Cases
- Home defense
- Law enforcement backup or duty weapon
- Concealed carry (Compact model)
- Range shooting and familiarization training
- Affordable .40 S&W platform for enthusiasts
FAQs
Can I convert the FNS 40 to 9mm?
No official conversion kit exists from FN; caliber swaps are not supported by the manufacturer.
What is the magazine capacity of the FNS 40?
The standard FNS 40 magazine holds 14 rounds of .40 S&W ammunition.
How does the FNS 40 compare to the FN 509?
The FN 509 is newer, optics-ready, and features upgraded grip textures and modular enhancements.
Prefer nearby results? Toggle to search local listings.
F N FNS 40 MS D 40 S&W (66941) B&W
$560.00
FN FNS-40 / FNX-40 MAGAZINE 14-RND BLK
$54.99
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