Cooey Model 840 Serial Number Lookup Patched

The Cooey Model 840 is a classic Canadian bolt-action shotgun, produced by the H.W. Cooey Machine & Arms Company in Winchester, Ontario (later acquired by Winchester). Because these were mass-produced utility firearms over several decades, detailed factory records are scarce.

Contact museums or historians:

Scenario A: No Serial Number Found

If your receiver has no number, your shotgun was manufactured between 1938 and 1961 in Cobourg, Ontario. These are the most common versions. You can narrow down the era by examining the extractor and bolt handle: Cooey Model 840 Serial Number Lookup

  • The "No Serial Number" Anomaly: Many Cooey firearms, including early 840s, were sold without serial numbers. It was not a legal requirement in Canada for .22 rifles or lower-cost shotguns until much later. If your receiver is blank, it likely dates to the earlier production years (1940s–1950s).

    • Q: Where is the serial number located on a Cooey Model 840? A: The serial number is typically located on the receiver, barrel, or stock of the rifle. The Cooey Model 840 is a classic Canadian

    Inspect and record:

    He cross-referenced the number on a database maintained by a collector in Alberta. He typed in the prefix and the digits. The server chugged. The "No Serial Number" Anomaly: Many Cooey firearms,