Cooey Model 840 Serial Number Lookup ((exclusive)) Jun 2026

The Cooey 840 evolved its feed ramp design.

Since you can't use a serial number to prove "rarity," value is based entirely on :

You may need to take the gun down to see numbers stamped on the lug that fits into the receiver. Cooey Model 840 Serial Number Lookup

The Cooey Model 840, produced between 1967 and 1979 by Winchester-Western (Canada), lacks a public, detailed serial number database for precise dating. Dating is primarily determined by physical markers, such as transitioning from walnut to birch stocks and using "Winchester-Western" branding, rather than the earlier "H.W. Cooey" markings. For more details, visit Canadian Gun Nutz . Model 84 Cooey hinge or break-action shotgun

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Instead, collectors use and receiver stampings to date these firearms. Step 1: Locate the Serial Number (If Present)

Visible only when the shotgun is broken open or the barrel is removed. The Cooey 840 evolved its feed ramp design

Your best course of action is to: