That rifle was manufactured prior to 1968 when the Gun Control Act was passed. Prior to then, small caliber rifles were not required to have a serial number and mass produced ones often did not.
With the serial number that you have supplied;your Winchester model 50 semi-auto shotgun was made in the year 1957.
look on the frame
1-40,9061
Your winchester model 50 semi-auto shotgun was made by winchester in 1956.
1912
They refer to this handgun as the browning model BDA (browning double action auto) pistol.
Impossible to answer without the serial number.
I can say that the Savage model 775 light weight semi-auto shotgun was made from 1950-1965.I do not have the serial numbers by year of production.I do not believe that they are available to the public domain.
The Hawthorne semi-auto model 880, chambered in .22 caliber, was produced during the late 1940s to early 1950s. To determine the specific year of your model based on its serial number, you'll need to consult a detailed reference guide or database that correlates serial numbers with production years, as serial number patterns can vary. If you have the serial number, you might also reach out to collectors or firearms forums for more tailored assistance.
Please include the model of Winchester semi-auto shotgun you have so that along with the serial number I may give you the correct year of production.
I have a Springfield model 187S .22 LR (semi-Auto, tube feed).
Your serial number indicates that your Winchester model 100 semi-auto rifle was made in the year 1967.