Cooey Model 840 Serial Number Lookup 💯 Ultra HD
If the gun is marked with this, it was produced before Winchester purchased the company. These were technically branded as Model 84, but often mistakenly called 840s by current owners.
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Prior to the Winchester acquisition in 1961, most Cooey firearms did not have a serial number. Canadian law did not require serial numbers on low-cost utility firearms for decades. If your Cooey 840 has a serial number, it was likely manufactured after 1961, or it was an export model to the United States (where serialization became mandatory under the 1968 Gun Control Act).
The Cooey 840 evolved its feed ramp design.
The Cooey 840's Identical Twins (Sears and Eaton’s Store Brands) Cooey Model 840 Serial Number Lookup
Note: Many numbers found on Cooey 84/840s are assembly numbers used to match barrels to receivers during production rather than unique serial numbers. Dating a Model 840 (Post-1967)
Even without a serial number to track its exact "birthday," the Model 840 is highly regarded for its:
Look at the left or right side of the main metal receiver.
The production of nearly two million guns in a short span and the multiple owners (H.W. Cooey, then Winchester-Western) mean the numbering sequences were not linear. The key is to use the serial number as a data point in a larger identification process, not as a definitive answer. If the gun is marked with this, it
If you are looking to research a , understanding the company's history is vital, as there is no comprehensive, public database of serial numbers that can give you an exact year of manufacture.
: Prior to the Gun Control Act of 1968 in the United States and similar later regulations in Canada, manufacturers were not legally required to stamp serial numbers on rimfire rifles or smoothbore shotguns. Winchester often omitted serial numbers on budget-friendly utility firearms like the Model 840.
Look for "H.W. Cooey Machine & Arms Co. Ltd." stamped on the barrel.
Because a comprehensive Cooey Model 840 serial number lookup database does not exist online or via government registries (the Canadian Firearms Registry was destroyed in 2012), you must use indirect methods to date your gun. Prior to the Winchester acquisition in 1961, most
Commonly found on Winchester-Cooey firearms manufactured during the 1970s.
The core issue in any "Cooey Model 840 serial number lookup" is that a comprehensive, public database does not exist. , forcing owners to rely on contextual clues and physical markings on the gun itself.
Over its roughly 15-year production run, the Model 840 underwent subtle cosmetic and structural changes:
The Cooey Model 840 is a classic, single-shot break-action shotgun that holds a special place in the hearts of firearms enthusiasts and collectors. Celebrated for its rugged reliability and utilitarian simplicity, this firearm was a staple in North American households for decades. Whether you have inherited an old family heirloom or recently acquired one at an auction, determining the age, origin, and history of your shotgun through a Cooey Model 840 serial number lookup is a common pursuit.
often lack specific Cooey entries, the most reliable way to date your is through its roll stamps Branding Stamp Estimated Era "H.W. Cooey Machine & Arms" 1948 – 1961 Pre-acquisition era. Technically, these are usually " "Winchester-Western (Canada) Ltd." 1961 – 1967 The transition period after Winchester bought Cooey 1967 – 1979 The Model 84 was officially renamed the Step 3: Understanding the Serial Format have a serial number, it often follows these quirks: The "C" Mystery:
can sometimes provide more granular data if you provide photos of your specific markings. part replacement How to decode the serial number on a Cooey 840?