Description
The Cimarron 1866 Yellowboy in .38-40 is a classic lever-action rifle that captures the unmistakable style of one of the most iconic repeating rifles of the American frontier. Known for its distinctive brass-framed receiver, the “Yellowboy” has long been celebrated for its historic appearance and timeless Old West character.
This variation features a handy 20-inch octagon barrel, giving the rifle a compact, well-balanced profile that remains true to traditional carbine-length handling while preserving the authentic octagon-barrel silhouette. The bright brass frame paired with contrasting blued steel components delivers the period-correct look that defines the 1866 design, while the walnut stock completes the rifle with classic craftsmanship and warmth.
Chambered in .38-40, this Yellowboy offers a historically rooted cartridge choice for enthusiasts who want an authentic lever-action experience. Whether for range shooting, cowboy-style events, or as a standout piece in a traditional collection, the Cimarron 1866 Yellowboy remains one of the most recognizable and admired lever-action rifles ever produced.
Use Cases & Applications
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Historical and Old West firearm collecting
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Cowboy Action and traditional lever-action shooting disciplines
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Recreational range shooting with a classic frontier-era cartridge
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Enthusiasts seeking compact brass-framed Yellowboy styling
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Shooters wanting a 20″ octagon barrel lever rifle configuration
Key Benefits
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Chambered in .38-40 for a classic historic lever-action cartridge option
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20-inch octagon barrel provides balanced handling with traditional styling
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Brass frame “Yellowboy” design delivers iconic frontier-era character
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Blued finish adds durability and authentic visual contrast
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Walnut stock offers timeless craftsmanship and classic feel
Technical Details (Only What’s Stated)
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Model: Cimarron 1866 Yellowboy
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Caliber: .38-40
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Barrel Length: 20 inches
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Barrel Style: Octagon
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Frame Material: Brass
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Finish: Blued
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Stock: Walnut
FFL Notice
This rifle is a firearm and must ship to a Federal Firearms License (FFL) holder for transfer in accordance with applicable laws.





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