Cimarron Firearms 1866 Yellowboy Carbine (.44-40 WCF) — Used Price & Value 2026 | GunPrice Value Guide

Cimarron Firearms 1866 Yellowboy Carbine

.44-40 WCF·Used Price & Value Guide 2026

About the Cimarron Firearms 1866 Yellowboy Carbine

The Cimarron Firearms 1866 Yellowboy Carbine in .44-40 WCF is a lever-action rifle from Cimarron Firearms — Cowboy-action and Old West reproductions sourced from Uberti and Pietta. Within the catalog this configuration serves cowboy action, vintage and reproduction lever guns, 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

Cimarron Firearms was founded in 1984 in Fredericksburg, Texas by Mike Harvey. The brand sources Italian-made Old West reproductions (Uberti, Pietta) and personalizes them for the cowboy-action shooting market. Within the catalog, Cimarron Firearms positions itself among peers including Uberti, Taylor’s & Co., Pietta.

Specifications

• Caliber: .44-40 WCF
• Action: Lever-action rifle
• Capacity: 5–10 rounds tubular magazine
• Barrel: 16″–24″ round or octagon
• Stock: American walnut typically
• Year of manufacture: varies — see Year-of-Manufacture Notes below

Variant & Year-of-Manufacture Notes

The Cimarron Firearms 1866 Yellowboy Carbine 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 .44-40 WCF is used for cowboy action, vintage and reproduction lever guns. Winchester, black hills, and magtech all produce — 200gr lead rnfp standard. 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 Cimarron Firearms 1866 Yellowboy Carbine occupies a market position comparable to offerings from Uberti, Taylor’s & Co., and Pietta. Buyers cross-shopping these brands typically prioritize cowboy-action shooters — and once they’ve committed to Cimarron Firearms, 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 Cimarron Firearms 1866 Yellowboy Carbine depending on the specific variant and year.

What’s a Used Cimarron Firearms 1866 Yellowboy Carbine Worth?

Private-sale ranges for a working, no-rust 1866 Yellowboy Carbine in 2026 fall in four bands:

• Beater / heavily used: $325–$500 — significant wear, action functional, may need cleaning or minor service
• Average / honest used: $450–$700 — normal handling marks, mechanically sound, ready to shoot
• Excellent / lightly used: $600–$950 — minimal wear, clean bore, original box and paperwork a plus
• New-in-box or unfired: $800–$1250 — 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 Cimarron Firearms buyer profile includes cowboy-action shooters, Western reenactors, single-action revolver collectors. The lever-action rifle format and the .44-40 WCF 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 Cimarron Firearms 1866 Yellowboy Carbine still in production?

Production status changes — check Cimarron Firearms’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 1866 Yellowboy Carbine?

For general-purpose use, factory loads in .44-40 WCF 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 1866 Yellowboy Carbine 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 Uberti alternatives?

Both Cimarron Firearms and Uberti retain solid resale value in their respective segments. Within ±15%, the two trade comparably in clean condition. The Cimarron Firearms 1866 Yellowboy Carbine typically pulls ahead with collectors who specifically want this brand.

What scope rings or mounts fit the 1866 Yellowboy Carbine?

Most 1866 Yellowboy Carbine variants ship drilled and tapped for standard scope bases (typically Weaver or Picatinny). Check the receiver — many also accept Talley one-piece or Warne quick-detach rings.