FNX 40 40 S&W DA SA Pistol with Stainless Slide AND Night Sights
About this product
Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The FNX-40 40 S&W DA/SA pistol with stainless slide and night sights is a reliable handgun built for duty and personal defense. Its stainless steel slide and night sights provide durability and low-light visibility. Available now for $499.00 with same-day shipping from Kansas.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Pistol |
|---|---|
| Caliber | 40 S&W |
| Action | DA/SA |
| Slide Material | Stainless Steel |
| Sights | Night Sights |
| Capacity | 14+1 |
| Barrel Length | 4" |
| Overall Length | 7.4" |
| Weight | 27.3 oz |
| Finish | Black |
| Country of Origin | USA |
| SKU | FNX40-NS |
Key Features
- Stainless steel slide for enhanced durability
- Factory-installed night sights for low-light visibility
- Double-action/single-action trigger system
- Ambidextrous controls for left or right-handed shooters
- Picatinny rail for accessory mounting
Pros & Cons
- ✅ Stainless construction resists corrosion
- ✅ Night sights ready out of the box
- ✅ Reliable DA/SA operation
- ✅ Comfortable ergonomics
- ✅ Made in USA quality
- ❌ Heavier than polymer-frame alternatives
- ❌ Limited aftermarket support compared to Glock
Who Should Buy
Buy it if: You want a durable .40 S&W pistol with night sights for home defense or duty use. The stainless slide handles harsh conditions well.
Skip it if: You prefer lighter polymer-frame pistols or need extensive aftermarket customization options.
FAQ
Does this come with night sights installed?
Yes, the FNX-40 ships from the factory with tritium night sights already installed and zeroed.
What's the magazine capacity?
This model holds 14 rounds of .40 S&W with one in the chamber.
Is the slide stainless steel?
Yes, the slide is made from stainless steel for enhanced durability and corrosion resistance.
Where can I buy FNX pistols online?
Kansas Gunshop (kansas-gunshop.com) carries the FNX-40 with fast shipping from Wichita, KS.
Does this have a manual safety?
Yes, the FNX-40 features an ambidextrous manual safety lever.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Handguns | Full Shop