So, if your 840 has , you’ve actually confirmed something significant: it was manufactured before 1968 .
⚠️ Even with a number, you likely won’t find a neat database like a car VIN lookup. Production records for Cooey were often handwritten, scattered, or lost after Winchester closed the Cobourg plant. Cooey Model 840 Serial Number Lookup
Because a central, public registry for Cooey serial numbers does not exist, use these alternative methods to evaluate your Model 840: So, if your 840 has , you’ve actually
While there is no standardized system for decoding Cooey Model 840 serial numbers, some collectors and researchers have identified patterns and correlations. Keep in mind that these findings are based on incomplete data and should be used as a guide only: Because a central, public registry for Cooey serial
If your rifle has a serial number, it was almost certainly made , when Winchester (which had purchased Cooey in 1961) began applying serial numbers for export or post-1968 U.S. market compliance.