Cooey Model 840 Serial Number Lookup Jun 2026

Because they were produced by the hundreds of thousands, the Cooey Model 840 is not a rare or highly valuable investment piece in monetary terms. Depending on the condition, gauge, and wood quality, a standard Cooey Model 840 typically appraises between .

If you’ve just inherited Grandpa’s old 840 and flipped it over to check the serial number, expecting to trace its birthday like a classic car’s VIN, you might be staring at a blank receiver. Or worse, a seemingly random set of numbers that leads nowhere.

Finding definitive date information for a Cooey Model 840 through serial number lookup is notoriously difficult, as comprehensive company records do not exist. However, identification is possible through physical markings and design changes. Understanding the Cooey 84/840 Evolution Model 84 (1948–1967): Originally produced by H.W. Cooey in Cobourg, Ontario. Model 840 (1967–1979):

serial number lookup can be challenging because the H.W. Cooey Machine & Arms Company did not maintain consistent, publicly available production records. However, by examining the physical markings and identifying key features, you can narrow down the manufacturing date of your shotgun. Cooey Model 840 Serial Number Lookup

Whether your Cooey 840 has a serial number or not, it remains one of the finest small-game shotguns ever built. Treat it with care, and it will likely outlast any digital database you try to search.

A Cooey Model 840 serial number lookup can reveal valuable information about your firearm's history, including:

Winchester-Western (Canada) bought the H.W. Cooey Company in 1961. Because they were produced by the hundreds of

On most Cooey Model 840 shotguns, the serial number is located on the (or frame).

: Remove the wooden forend wrapper. Manufacturers occasionally stamped the serial number or assembly codes on the underside of the barrel or the water table of the frame.

Since you cannot simply type a number into a government database for a Cooey 840, you must rely on and physical features . Here is the next best thing to a serial number lookup. Or worse, a seemingly random set of numbers

The Model 840 was produced in 12, 16, 20, and 28 gauge, as well as .410 bore.

Cobourg, Ontario will be listed as the manufacturing location. These models usually lack serial numbers entirely. The Winchester-Cooey Transition Era (1961–1968)

The Cooey Model 840 is considered a working-class firearm rather than a high-end investment piece. However, its value is rising due to nostalgia and its rugged reliability. $150 to $250 USD / $200 to $350 CAD.

: On the underside of the barrel, visible only after removing the fore-end.

Even without a definitive serial number database, you can narrow down the production date of your Cooey Model 840 to a specific era by acting like a forensic firearms historian. Check the following physical attributes on your shotgun: Step 1: Search for the Serial Number