Description
Item Description
Bryant Ridge Co. is pleased to present this collectible double/single-action revolver today for a penny-start auction, this is the Colt Trooper MK III.
SPECIFICATIONS:
Manufacturer: Colt
Model: Trooper MK III
Serial: 7847J
Date of Manufacture: 1973-1974 (According to https://proofhouse.com/colt/index.html)
Caliber: .357 Magnum
Finish: Blue
Barrel Length: 4" Heavy Shrouded Barrel
Optics/Sights: Serrated Ramp Front with Adjustable Micrometer Click Rear
Stock/Grips: Target Walnut Grips with Checkering and Colt Medallions
Action: Double/Single-Action
Markings: Standard
Bryant Ridge's Analysis:
In the late 1960s, Colt became concerned about a decline in its market share due to the high labor costs involved in its manufacturing processes, which led to increased prices. To address this issue, Colt introduced an entirely new product line of revolvers known as the MK III series in 1969. The MK IIIs were designed to be the first major advancement of Colt's revolver designs since the beginning of the 20th century. They featured a new “J” frame and had no parts interchangeability with older models. The new revolvers were groundbreaking because they were the first modern revolver designs to employ a state-of-the-art transfer-bar lockwork system, replacing Colt’s traditional rebound hammer and safety block design. This system prevented the hammer from contacting the frame-mounted firing pin unless the trigger was deliberately pulled, greatly improving drop safety. Additionally, using sintered parts allowed for improved fabrication tolerances and a special heat treatment that resulted in a harder, more wear-resistant composition. The use of these parts virtually eliminated hand fitting, which significantly lowered labor costs associated with the assembly and manufacture of the MK III line, making it the world’s first truly machine-fitted revolver. Colt also incorporated stainless-steel springs, another first in the industry. Colt offered a wide range of versions for the Mark III series, which was produced from 1969 to 1983 and intended to replace all old medium-frame revolvers except the Python.
Model: Trooper MK III
Serial: 7847J
Date of Manufacture: 1973-1974 (According to https://proofhouse.com/colt/index.html)
Caliber: .357 Magnum
Finish: Blue
Barrel Length: 4" Heavy Shrouded Barrel
Optics/Sights: Serrated Ramp Front with Adjustable Micrometer Click Rear
Stock/Grips: Target Walnut Grips with Checkering and Colt Medallions
Action: Double/Single-Action
Markings: Standard
Bryant Ridge's Analysis:
In the late 1960s, Colt became concerned about a decline in its market share due to the high labor costs involved in its manufacturing processes, which led to increased prices. To address this issue, Colt introduced an entirely new product line of revolvers known as the MK III series in 1969. The MK IIIs were designed to be the first major advancement of Colt's revolver designs since the beginning of the 20th century. They featured a new “J” frame and had no parts interchangeability with older models. The new revolvers were groundbreaking because they were the first modern revolver designs to employ a state-of-the-art transfer-bar lockwork system, replacing Colt’s traditional rebound hammer and safety block design. This system prevented the hammer from contacting the frame-mounted firing pin unless the trigger was deliberately pulled, greatly improving drop safety. Additionally, using sintered parts allowed for improved fabrication tolerances and a special heat treatment that resulted in a harder, more wear-resistant composition. The use of these parts virtually eliminated hand fitting, which significantly lowered labor costs associated with the assembly and manufacture of the MK III line, making it the world’s first truly machine-fitted revolver. Colt also incorporated stainless-steel springs, another first in the industry. Colt offered a wide range of versions for the Mark III series, which was produced from 1969 to 1983 and intended to replace all old medium-frame revolvers except the Python.
The Trooper Mark III was the top-of-the-line in the series. It had an adjustable sight and a heavy shrouded barrel. It also featured Target grips, a Target hammer, and Colt’s first Target trigger. The barrel was available in three lengths: 4 inches, 6 inches, and, later in production, 8 inches. The finishes included a new high-gloss bright blue-black, bright nickel, and satin electroless nickel, which is also known as “Coltguard.” The satin electroless nickel finish is often mistaken for stainless steel. The calibers offered were .22 LR, .22 Magnum, and .357 Magnum, while a few Trooper Mark III revolvers were special-ordered by law enforcement in .38 Special.
Contents:
Contents:
This example will ship with the matching factory-labeled box and paperwork pictured above.
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.
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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/1153248575 |
BidPrice: |
0.01 |
AuctionEndDate: |
2026-02-15 21:00:00 |
CurrentBid: |
715 |
SoldOutTime: |
2026-02-15 16:33:27 |
