Cooey Model 840 Serial Number Lookup Guide

The Cooey Model 840 is essentially the "Winchester-era" version of the original Model 84.

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. Cooey Model 840 Serial Number Lookup