not exact, but anyhow you would have to know when the company started making them and how many they made per year
Yes, sometimes. But you also need to know the manufacturer and model number. oldguns.net has some date-of-manufacture data online. The Blue Book of Gun Values has a lot more. But some manufacturers seem to think that this should not be public knowledge and do not release their production data.
By the serial #
Find books on the maker.
Find a book with sn's from that maker.
You will have to call Browning to find out.
Find a book of sn's that has been published on the weapon.
The gun was made in 1919, nice find!
I would like to find out the age of my Winchester 30-30 model 94 by the serial #2907348
You will need to call Browinng with the serial number or find a copy of the Blue Book of Gun Values.
Check the serial number against published references or call the company that made it.
You must call Browning with the serial number to find out.
Try Blue Book of Gun Values
It depends on what you mean. If you mean that you want to find the age of the gun based on the serial number, there are a few online sources, such as the Blue Book of Gun Values. If you mean that you want to find out if it is registered, no.