Winchester Model 370 serial numbers — what the records say
The Winchester Model 370 is an economy-grade, single-shot break-action shotgun produced for Winchester by the Cooey Machine & Arms Company in Canada.
- Produced:
- 1968–1973
- Action:
- single-shot
Where these dates come from
No published table matches Winchester Model 370 serial numbers to years. Neither the surviving factory records nor the collector references provide one. What is known about its serial numbers is summarized in the notes on this page.
What to know about Model 370 serial numbers
- The C in front of the serial number is used on both the Model 370 and the Model 37A. It is not a year code.
- Do not confuse the Model 370 with the earlier Model 37, which carried no serial numbers. They were made in different periods.
- There is no definitive year-by-year table.
Related models, and why
Shared serial sequences, successors, and look-alikes — each link says why it is here, straight from the record notes.
Other Winchester shotguns
Winchester shotguns that never had a serial number
These have no serial number to look up. Their pages explain why, and how to date one from its features.
No factory letter is available for the Model 370
The Cody Firearms Museum, which holds Winchester’s surviving factory records and issues factory letters, does not list the Model 370 among the models it can search. The published tables on this page are the best evidence available for dating one.
Which Winchester models can be lettered, and what a letter shows →