If you’ve ever shouldered a lever gun and felt that instant connection to the Old West, the Cimarron 1866 Yellowboy .45 Long Colt Sporting Rifle is exactly what you’re looking for. This is a recreation of the classic Improved Henry, built with a brass-frame look and walnut furniture that’s as authentic as it gets. Chambered in .45 Long Colt, it’s a sporting rifle that handles smoothly for historical shooting, field use, or just plinking with friends on the weekend. The octagon barrel and tube magazine give you multiple rounds on tap, and the modern manufacturing means you get reliable performance without losing that period-correct vibe. Whether you’re a collector or a shooter who appreciates a piece of history, the cimarron 1866 yellowboy .45 long colt sporting rifle delivers.
| Manufacturer | Cimarron Firearms |
|---|---|
| Model | 1866 Yellowboy Sporting Rifle |
| Material | Brass receiver, blued steel barrel, walnut stock (per manufacturer specs) |
| Compatibility | .45 Long Colt ammunition |
| Finish | Blued barrel with brass-colored receiver |
| Weight | Approximately 8.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Brass Frame Aesthetic – The brass receiver isn’t just for looks; it gives the rifle a solid feel and a classic shine that turns heads at the range. Why it matters: You get a piece of history that’s built to last, not just a display piece.
- Octagon Barrel – This 24-inch barrel adds weight up front for steadier aim and better heat dissipation during longer sessions. Why it matters: More consistent accuracy shot after shot, whether you’re ringing steel or hunting.
- Lever-Action with Tube Magazine – The smooth cycling lever lets you feed rounds from the magazine tube quickly, keeping you in the action. Why it matters: Faster follow-up shots without fumbling, perfect for cowboy action shooting or defensive use.
- Walnut Furniture – The oil-finished walnut stock and forend provide a warm, traditional grip that’s comfortable for all-day shooting. Why it matters: No slipping or fatigue, even when you’re running through a box of .45 LC.
- .45 Long Colt Chambering – This classic cartridge offers manageable recoil with plenty of stopping power, making it versatile for both target work and hunting. Why it matters: You can shoot it all day without getting beat up, and it’s effective on medium game.
Who It’s For
This rifle is built for anyone who loves the romance of the Old West but wants a gun that actually shoots straight. It’s perfect for recreational shooters who want something different from a bolt-action or semi-auto, and it’s a great entry point for first-time buyers looking to get into lever guns. If you’re into cowboy action shooting, historical reenactments, or just want a reliable brush gun for deer hunting, the Yellowboy fits right in. It’s also a solid choice for collectors who appreciate the craftsmanship of Cimarron’s reproductions.
Pros & Cons
- Pros: Authentic brass receiver look, smooth lever action, accurate octagon barrel, comfortable walnut stock, and the .45 LC cartridge is a joy to shoot.
- Cons: The brass receiver can show wear over time with heavy use, and the open sights might not be ideal for low-light conditions without an upgrade.
Comparison
| Feature | Cimarron 1866 Yellowboy | Zev Technologies OZ9 | Timney Triggers Alpha Comp |
|---|---|---|---|
| Action Type | Lever-action | Striker-fired | Drop-in trigger |
| Caliber | .45 Long Colt | 9mm | N/A |
| Barrel Length | 24″ octagon | 4.5″ | N/A |
| Capacity | 13 rounds (tube mag) | 17+1 | N/A |
| Best For | Historical shooting, hunting | Competition, defense | Trigger upgrades |
| Price Range | ~$1,441 | ~$1,200 | ~$200 |
FAQ
What is the cimarron 1866 yellowboy .45 long colt sporting rifle?
It’s a lever-action rifle reproduction of the 1866 Improved Henry, chambered in .45 Long Colt, with a brass receiver, blued octagon barrel, and walnut stock. It’s built for historical shooting, hunting, and recreational use.
What caliber does it use?
It’s chambered in .45 Long Colt, a classic cartridge that’s easy to shoot and effective for both target and hunting purposes.
Is this rifle suitable for left-handed shooters?
Yes, the lever-action design is ambidextrous, so lefties can cycle and shoot just as easily as right-handed users.
What is the magazine capacity?
The tube magazine holds 13 rounds of .45 Long Colt, giving you plenty of firepower for a day at the range or in the field.
Why Buy From Us
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships within 1-2 business days
- ✅ 30-day return policy
- ✅ Secure checkout with encrypted payment
According to Cimarron Firearms specs, this rifle is built to the same quality standards as their other historical reproductions, with a focus on authenticity and reliability. With over 1.2 million lever-action rifles sold in the U.S. annually, the Yellowboy stands out as a favorite among enthusiasts.
Explore more in our Lever Action Rifles collection, or check out all rifles and Cowboy Action Shooting gear.
Last updated: April 2026
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