The 1866 model or Yellowboy, as it was famously known because of its shiny brass frame, was the successor to the Henry rifle. It features a brass frame, brass forend cap & butt plate, blued & case hardened steel parts, octagonal barrel, dovetail buckhorn rear and front blade sight, and a walnut rifle style butt stock.
| FireArm | yes |
| Action | Lever |
| Barrel Length | 20" |
| Barrel Length Range | 20" to 20.99" |
| Metal Finish | Blued |
| Stock Finish Group | Brown |
| Weight | 7.90 lbs |
| Weight Range | 7 lbs to 7.99 lbs |
| Hand | Right Hand |
| Caliber | 45 Colt (LC) |
| OAL | 39" |
| Receiver Material | Brass |
| Metal Finish Group | Brass |
| Stock Description | Walnut |
| Sights | Blade Front/Buckhorn Rear |
| Trigger | Standard |
| Barrel Description | 20" Octagon |
| Capacity | 10+1 |
