Cimarron Firearms 1866 Yellowboy Features Originally known as the Improved Henry due to its patented loading gate on the side of the frame the 1866 model was known as the Yellow Boy by the Native Americans because of its brass frame. The 66 model was the first true cowboy lever-action and the first that adapted well to carrying in a saddle scabbard due to its slab sided design. With over 170 000 made between 1866-1898 it s popularity continued long after more powerful lever guns were introduced. The 66 model was famous worldwide with guns used by the forces of Benito Juarez in Mexico the Turkish army in their fight against the Russians and in the Wild West by such notables as Sioux Medicine Man Sitting Bull the Union Pacific s chief engineer General Grenville Dodge and desperado Bill Doolin. Cimarron Firearms 1866 Yellowboy Specifications Brand: Cimarron Firearms Model: 1866 Yellowboy Caliber: .38 Special Capacity: 10 Rounds Frame Finish: Brass Front Sight: Dovetail Blade Rear Sight: Semi Buckhorn Firearm Stock: Walnut Straight Features: Made by Uberti Italy Finish: Blue Brass Firing System: External Hammer Frame Material: Brass Trigger Pull Average: 4.500 Barrel Configuration: Single Barrel Description: Round Rifled Barrel: Yes Maximum Pull Length: 13.25 Buttplate/Recoil Pad: Brass Buttplate