Cooey Model 840 Serial Number Lookup Jun 2026

If your Cooey Model 840 does have a serial number, it was manufactured after 1968. Winchester applied a systematic serialization process to these late-model shotguns. Where to Find the Serial Number

The Cooey Model 840 is a staple of Canadian firearms history, representing a break-action, single-shot shotgun built for reliability and affordability. Produced from 1967 to 1979 under Winchester-Western (Canada) Limited after they acquired the H.W. Cooey Machine & Arms Company, the 840 is the successor to the earlier Model 84. Cooey Model 840 Serial Number Lookup

However, their value lies in their utility and sentimental worth. The sub-gauges, specifically the and .410 bore , command a higher premium among collectors because they were produced in much smaller quantities than the standard 12 and 20 gauge models. Tips for Maintaining Your Cooey 840 If your Cooey Model 840 does have a

Designed in 1947, the Model 84 was produced from 1948 until 1966. In a pivotal change, the Winchester company purchased Cooey, and the shotgun was rebranded and sold as the from 1967 until production ceased in 1979. Produced from 1967 to 1979 under Winchester-Western (Canada)