Description
Item Description
Bryant Ridge Co. is pleased to present this Vintage double-action revolver, considered a "premium" model in the MK III Series, for a penny-start auction; this is the Colt Trooper Mark III.
SPECIFICATIONS:
Manufacturer: Colt
Model: Trooper MK III
Serial: J12306
Caliber: .357 Magnum
Finish: Blue
Barrel Length: 6" Solid Rib Barrel
Optics/Sights: Pinned Serrated Ramp Front with Adjustable Rear
Stock/Grips: Checkered Walnut Target Type Mark III Grips with Gold Colt Medallions
Action: Double/Single-Action Revolver
Markings: Standard
Bryant Ridge's Analysis:
The Colt Trooper Mark III represents an important step in the evolution of Colt’s double-action revolvers, introduced in the late 1960s as part of the company’s modernized Mark III series. Built by Colt, the Trooper Mark III was designed to retain the classic Colt profile while incorporating a stronger, more production-efficient internal mechanism. Chambered in .357 Magnum, it was well suited for both service and sporting roles, offering a balance of power, accuracy, and durability that appealed to law enforcement agencies and civilian shooters alike.
Model: Trooper MK III
Serial: J12306
Caliber: .357 Magnum
Finish: Blue
Barrel Length: 6" Solid Rib Barrel
Optics/Sights: Pinned Serrated Ramp Front with Adjustable Rear
Stock/Grips: Checkered Walnut Target Type Mark III Grips with Gold Colt Medallions
Action: Double/Single-Action Revolver
Markings: Standard
Bryant Ridge's Analysis:
The Colt Trooper Mark III represents an important step in the evolution of Colt’s double-action revolvers, introduced in the late 1960s as part of the company’s modernized Mark III series. Built by Colt, the Trooper Mark III was designed to retain the classic Colt profile while incorporating a stronger, more production-efficient internal mechanism. Chambered in .357 Magnum, it was well suited for both service and sporting roles, offering a balance of power, accuracy, and durability that appealed to law enforcement agencies and civilian shooters alike.
Mechanically, the Trooper Mark III utilized a transfer-bar ignition system and redesigned lock work that improved safety and allowed the revolver to be carried with all chambers loaded. Its solid frame and 6-inch solid rib barrel contributed to excellent balance and consistent accuracy, while the pinned serrated ramp front sight and adjustable rear sight supported precise target acquisition. Fitted with checkered walnut target-style grips bearing gold Colt medallions, the revolver also maintained a refined appearance. Today, the Trooper Mark III is valued as a transitional model that bridges Colt’s traditional hand-fitted revolvers with later, more modern manufacturing methods, making it both a practical shooter and a historically significant collectible.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
We have an amazing inventory of classic and collector firearms that we are adding to Gunbroker daily. Stay up to date on all of our latest auction by adding us to your favorite sellers list.
About Us
From a small town hobby, to a leader in the investment and collector grade firearms industry. Bryant Ridge Firearms is here to offer the best in quality and customer service when you are looking to unload your collector grade firearm collection. 
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1160948693 |
BidPrice: |
0.01 |
AuctionEndDate: |
2026-03-22 21:00:00 |
CurrentBid: |
794.1 |
SoldOutTime: |
2026-03-22 17:05:38 |
