Cooey Model 840 Serial Number Lookup New! -
Post-1968 Cooey shotguns often utilize Winchester’s standardized serialization format. Look for a letter prefix followed by a string of numbers (e.g., or NW00000 ). Proof Marks and Barrel Stamps
"Find anything good?" called out his business partner, Sarah, from the top of the stairs.
(or a "0" that looks like a C), which may indicate specific production runs or export variants, though no official Winchester records have confirmed this. Estimated Production: Total production for the Model 84 and 840 series exceeded 1.9 million units between 1947 and 1979. 4. Expert Resources for Specific Inquiries
You might find a number on the barrel lug or the inside of the forearm. These are generally assembly numbers used to keep parts together during manufacturing, not unique serial numbers that can be looked up.
"It's a Cooey," Elias shouted up. "Model 840. Canadian made. Probably mid-century." Cooey Model 840 Serial Number Lookup
Often have no serial number at all.
Because no official database exists, the lookup process is more art than science. Here’s your roadmap:
However, the Model 840 occupies a unique timeline. It was introduced after Winchester bought H.W. Cooey Co. in 1961. Production of the Model 840 began in the mid-1960s as a successor to the famous Cooey Model 84. Therefore:
: Original plastic buttplates often featured changing logo styles (from the Cooey shield to the Winchester logo) which provide clues to the manufacture date. (or a "0" that looks like a C),
Understanding the model evolution helps narrow down your lookup window: Cooey Model 84 Cooey Model 840 1948 – 1961 (Pre-Winchester) 1961 – 1979 (Winchester Era) Serial Numbers Extremely Rare Common on post-1968 units Receiver Finish Often blued or case-hardened Often features a distinct black/grey coating Forend Design Rounded, traditional Often features a slightly updated, contoured grip
Disclaimer: This information is for historical reference based on available records. No serial number database exists that can accurately give a specific date of manufacture for every individual Cooey Model 840.
Q: What is the production date range for the Cooey Model 840? A: The Cooey Model 840 was produced from 1948 to 1961.
Winchester Western (Canada) Limited bought Cooey in 1961. Expert Resources for Specific Inquiries You might find
Q: Can I contact the manufacturer for serial number lookup? A: Although E.M. Cooey Limited is no longer in operation, you can try contacting the Royal Canadian Ordnance Corporation (RCOC) or the Canadian War Museum to inquire about available production records.
All Model 840s were built at the Cobourg, Ontario plant.
The legacy of the Cooey 840 is not just in its history, but in its enduring presence in the firearms market. Today, it is valued as both a "shooter" and a collectible.