The Cooey 840 is sometimes called “the farmer’s gun”—it lived in barns, pickup trucks, and traplines for decades. Low serial numbers? Rare. But a well-worn 840 with no number? That’s actually more original.
The Model 840 was primarily chambered in shotgun gauges, making it unique as a bolt-action shotgun during a time when pump and semi-autos were taking over. Cooey Model 840 Serial Number Lookup
This is common and perfectly legal for firearms manufactured before the 1968 requirement . The Cooey 840 is sometimes called “the farmer’s