What is the age of a 12 gauge Montgomery Ward Westernfield semi-automatic shotgun serial 07764V?

To determine the age of a 12 gauge Montgomery Ward Westernfield semi-automatic shotgun with serial number 07764V, you'll need to look up the specific model and production year associated with that serial number. Westernfield shotguns were often produced by various manufacturers, primarily during the mid-20th century. Checking a reliable firearms database or contacting a gunsmith familiar with Montgomery Ward firearms can provide more accurate information regarding its age.