Cooey Model 840 Serial Number Lookup May 2026

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.

, indicating it was made after Winchester acquired Cooey in 1961. Can Anyone Date Cooey Shotguns - Year of Mfg. Cooey Model 840 Serial Number Lookup

Check the Barrel:

Look for the text "Winchester-Western (Canada) Limited." If this is present, your gun was made between 1967 and 1979 at the Cobourg, Ontario plant. The Cooey Model 840 is a staple of

The Canadian Gun Forum Deep Dive:

The cellar smelled of damp earth and old oil, the unmistakable perfume of a estate sale cleanup. Elias pushed aside a stack of warped National Geographic magazines to reveal the prize: a battered gun case. , indicating it was made after Winchester acquired