The Cimarron 1866 Yellowboy is a lever-action rifle chambered in .44 S&W Special with a 19-inch barrel. It has a walnut stock and a brass/blued finish in the 1866 Yellowboy pattern. The 10-round tubular magazine pairs with the mid-length barrel for a balanced configuration. 
 

Key Specifications 

• Brand: Cimarron 
• Model: 1866 Yellowboy 
• Caliber: .44 S&W Special 
• Action: Lever Action 
• Capacity: 10 rounds 
• Barrel Length: 19" 
• Color/Finish: Brass/Blued, Walnut 
   

Detailed Features 

• 19-inch barrel 
• Walnut stock 
• Brass receiver with blued barrel (1866 Yellowboy pattern) 
• 10-round tubular magazine 
• .44 S&W Special chambering

Owners of the Cimarron 1866 Yellowboy in .44 S&W Special are typically drawn to the brass receiver and walnut stock combination, which gives the rifle a period-correct appearance. The 19-inch barrel length is seen as a practical middle ground between the compact Trapper and longer sporting configurations.

The .44 S&W Special chambering is less common than .44 Magnum or .44-40, which draws comments from owners about ammunition sourcing. Those who already shoot .44 Special find the combination a natural fit, while others note they stocked up before committing.

Build quality and overall impression of the 1866 Yellowboy from Cimarron track closely with the broader Italian reproduction lever-action market. Fit and finish meet expectations for the price point, though individual variance between rifles can be noticeable. Cowboy action shooters represent a significant share of owners, and the 1866 Yellowboy platform is generally well regarded in that community.