Winchester Model 1866 Sporting rifle. Winchester Repeating Arms Company, New Haven, Connecticut. Caliber .44, Henry Flat Rimfire. - National Cowboy & Western Heritage Museum
Uberti Winchester 1866 "Yellowboy": 150 years for a legendary rifle | GUNSweek.com
Third Model Winchester 1866 Rifle — Cisco's Gallery
Winchester Model 1866 Sporting. Winchester Repeating Arms Company, New Haven, Connecticut. Caliber .44, Henry Flat Rimfire. - National Cowboy & Western Heritage Museum
Winchester 1866 1st Model - Sold - Turnbull Restoration