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Winchester Model 1866 Yellow Boy in 44 Henry Guns International #: 103560299 Seller's Inventory #: JA374 Category: Winchester Rifles - Model 1866 - Winchester Collectible Firearms Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: RW Outdoors Member Since: 3/28/18 First Name: Bill Last Name: Wood State: Montana Zip: 59749 Country: United States Phone: (406) 842-5271 Platinum Seller Number of Active Listings: 225 Total Number of Listings: 4009 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. No returns. Payment Types Accepted: check, credit card (3.5% convenience fee) About Us: RW Outdoors is a small shop located in Southwestern Montana. Most of our listings are on consignment in our store and prices are dictated by owners. Some are very open to offers, while others are firm. All firearms must ship to a licensed dealer. Give us a call or email to find out more about any of our listings. Description: The Winchester Model 1866 “Yellowboy” Third Model Carbine represents a major evolutionary step in lever-action rifle design and is best known for incorporating Nelson King’s patented loading system, commonly referred to as “King’s Improvement.” This innovation added a spring-loaded side loading gate on the right side of the brass receiver, allowing cartridges to be loaded quickly and efficiently without removing the magazine follower or loading from the muzzle, as required on the earlier Henry rifle. King’s design also enclosed the magazine tube, which permitted the addition of a wooden forearm to protect the shooter’s hands from barrel heat during sustained firing, while simultaneously increasing durability by preventing dirt and debris from entering the action. Chambered primarily in .44 Henry Rimfire, the Third Model Carbine offered reliable firepower in a compact, fast-handling configuration well suited for mounted use, frontier defense, and military or paramilitary service.   Third Model 1866 Carbines are identifiable by several refined design features introduced as production evolved, including a straighter receiver profile with a reduced “Henry drop,” consistent external serial number stamping on the tang behind the trigger, and updated barrel address markings emphasizing King’s patent rather than Henry’s. Typically configured with a 20-inch round barrel, flip rear sight, saddle ring, and smooth walnut stock and forearm, these carbines were produced roughly within the 25,000 to 149,000 serial number range. While nearly all examples were chambered in .44 Henry Rimfire, a very small number were factory-produced in centerfire for export contracts beginning around 1873, making them especially scarce. As a result of its technical advancements, distinctive brass-frame appearance, and historical significance, the Third Model Winchester 1866 Carbine stands as one of the most important and collectible early repeating firearms of the American frontier era. Call RW Outdoors at 406-842-5271 with any questions.  California sales additional $25 for paperwork fee. All sales final. Most items are shipped via FedEx and insured automatically at $100. Buyers are welcome to request additional insurance at their expense & may also request a different carrier. RW Outdoors will not be held responsible for any damage incurred during the shipping process. We take great care in securing our items to ensure their safe delivery, but the handling of the packages is beyond our control once they leave our store. SOLD Manufacturer: Winchester Model: 1866 Yellowboy Serial Number: 155557 Barrel Length: 20 Manufacture Date: 1884 Item Location: Sheridan, MT