How old is a Winchester 22L rifle made in New Haven CT?

To determine the age of a Winchester .22 rifle made in New Haven, CT, you would need to check the serial number against production records, as Winchester Firearms were manufactured from the late 1800s until the early 2000s. Generally, rifles produced in New Haven, CT, were made between 1866 and 2006. The specific model and serial number will provide a more accurate date. If you have the serial number, you can refer to Winchester's records or consult a firearms expert for precise dating.