Cooey Model 840 was produced between 1967 and 1979 by the Winchester Arms Company following their acquisition of H.W. Cooey Machine & Arms Company. Unlike modern firearms, dating a Cooey 840 is difficult because official, detailed serial number databases were never publicly released or consistently maintained for these models. Serial Number Overview
Many early Model 84/840s feature simple four-digit serial numbers, sometimes accompanied by a small "cartouche" or symbol above the numbers. Letter Suffixes: Some owners have reported serial numbers ending in a
A. Action & Mechanics
He looked at the scarred wood and the faint serial number. The lookup hadn't just given him a date; it had given the gun a past. It had sat in a cabin in Thompson, Manitoba. It had survived a recall. It had been carried by someone who worked the traplines or the forests.
Even without a serial number to track its exact "birthday," the Model 840 is highly regarded for its: Cooey Model 840 Serial Number Lookup
The Physical Inspection (Do this first):
If you find a number on the receiver, you likely have a late-production Model 840. There are two sub-scenarios: Cooey Model 840 was produced between 1967 and
Model 84 (1948–1967): The original production run. Early versions are stamped "H. W. Cooey Machine & Arms Company".