FN America FNS-40 (.40 S&W) — Used Price & Value 2026 | GunPrice Value Guide

FN America FNS-40

.40 S&W·Used Price & Value Guide 2026

About the FN America FNS-40

The FN America FNS-40 in .40 S&W is a semi-automatic pistol from FN America — U.S. division of FN Herstal, supplier of military M4s, M16s, M249s, and the FN 509 pistol line. Within the catalog this configuration serves law enforcement (largely retired), CCW, duty, and its 2026 used-market position is supported by an active dealer network, available parts, and a stable supply of buyers willing to transact at the price bands documented below.

Brief History & Lineage

Fabrique Nationale de Herstal traces back to 1889 in Belgium. FN America (Columbia, South Carolina) is the U.S. manufacturing and import arm and is the active military contractor for the M4 Carbine, M16, M240, and M249. Within the catalog, FN America positions itself among peers including Sig Sauer, Colt, Heckler & Koch.

Specifications

• Caliber: .40 S&W
• Action: Semi-automatic pistol
• Capacity: 6 to 17 rounds depending on frame size
• Barrel: 3″–5″ typical; varies by carry or full-size configuration
• Frame: polymer, alloy, or steel per variant
• Year of manufacture: varies — see Year-of-Manufacture Notes below

Variant & Year-of-Manufacture Notes

The FN America FNS-40 has been offered across multiple production years with variation in stock material, finish, and barrel length. Early-production examples typically command a modest premium over late-production guns of the same configuration. Watch for aftermarket modifications — refinishes, drilled-and-tapped receivers on classic pieces, replacement stocks, and trigger swaps — all of which can shift used value. Original-condition examples with matching serials, factory boxes, and manuals trade at the top of the range for the model.

Ammunition & Shooting Notes

The .40 S&W is used for law enforcement (largely retired), CCW, duty. 165gr-180gr loads dominate; surplus is shrinking as agencies switch back to 9mm. Modern factory loads from American, European, and Asian manufacturers all run well in this platform, and reloaders enjoy a wide range of bullet and powder combinations.

How It Compares

The FN America FNS-40 occupies a market position comparable to offerings from Sig Sauer, Colt, and Heckler & Koch. Buyers cross-shopping these brands typically prioritize M4 contract enthusiasts — and once they’ve committed to FN America, brand loyalty tends to be strong because of dealer network and parts availability. Used-market resale for a comparable-condition gun from these peer brands trades within roughly ±15% of the FN America FNS-40 depending on the specific variant and year.

What’s a Used FN America FNS-40 Worth?

Private-sale ranges for a working, no-rust FNS-40 in 2026 fall in four bands:

• Beater / heavily used: $200–$350 — significant wear, action functional, may need cleaning or minor service
• Average / honest used: $300–$500 — normal handling marks, mechanically sound, ready to shoot
• Excellent / lightly used: $425–$700 — minimal wear, clean bore, original box and paperwork a plus
• New-in-box or unfired: $575–$850 — at this price, the calculation usually flips toward buying new instead

Add a premium for documented early-production examples, original box and accessories, or limited-run variants. Subtract for refinished surfaces, aftermarket modifications a buyer would have to reverse, or signs of hard use.

Who Buys It?

The typical FN America buyer profile includes M4 contract enthusiasts, FN 509 pistol owners, tactical buyers. The semi-automatic pistol format and the .40 S&W chambering further focus the audience. Used-market liquidity is solid — list a clean example at fair market on GunBroker, Armslist, or a local board and it generally moves inside two to three weeks. Dealer trade-in offers typically run 20–30% below private-sale; if you have time to list, private sale captures the premium.

Frequently Asked Questions

Is the FN America FNS-40 still in production?

Production status changes — check FN America’s current catalog for active SKUs. If discontinued, used-market supply is the only source, and that can drive prices up for clean examples.

What’s the best ammunition for the FNS-40?

For general-purpose use, factory loads in .40 S&W from the major American and European makers are the safe choice. Match shooters and hunters should select bullet weight and construction to the intended task.

Does year of manufacture matter for value?

Yes, to a degree. Early-production FNS-40 examples often command a small premium for collector interest, and pre-discontinuation variants can also trade higher. Mid-production years generally trade at the base ranges shown above.

What’s the resale outlook compared to Sig Sauer alternatives?

Both FN America and Sig Sauer retain solid resale value in their respective segments. Within ±15%, the two trade comparably in clean condition. The FN America FNS-40 typically pulls ahead with collectors who specifically want this brand.

Is the FNS-40 a good concealed-carry choice?

That depends on frame size and weight. Full-size models suit duty and home defense; compact and sub-compact variants serve concealed carry. Holster selection and a quality belt matter more than the gun itself for daily comfort.