Try this link http://www.browning.com/customerservice/dategun/index.asp
Usually by looking up the serial number.
Post the maker's name and serial number.
List the maker, caliber, type and serial number.
To find out how old a Winchester rifle is one would need to take the rifle to an appraiser or gun shop. The gun shop will be able to look up the gun by the serial number.
You will have to contact CZ to find out.
Made sometime in the mid 1870's.
You can tell how old your Ithaca gun is by the model and serial number
Impossible to date a gun with just the serial number and no other informaiton.
Call Browning and they can tell you.
7 years old.
No way to tell without make and model. Serial numbers are not unique to only one gun.
No way to tell from a serial number only.