You must call Browning with the serial number.
Browning's web site has a sn search function.
If your browning shotgun is a auto-5 in 16ga. then it was made in 1929.
A browning auto-5 shotgun with the serial number you provided,was made by FN of belguim for browning in 1914.
If you are asking about a Browning Auto-5 shotgun,then it was made in the year 1923,with the serial number that you have provided.
The 76V sets your browning auto-5 shotgun as being made in 1976.
Your browning auto-5 shotgun was made in the year 1970,which is indicated by the 70G prefix to your serial number.It also indicates that you have a browning light weight model auto-5 shotgun.
With the serial number that you provided,your Browning 16 gauge auto-5 shotgun was produced in the year 1935.
Browning.com has sn data under customer service.
Your Browning auto-5,12 gauge shotgun was made in the year 1948,with the serial number 265,711.
With the serial number that you provided,your Browning model auto-5 shotgun in 16 gauge was produced in 1956.
Your Browning auto-5 shotgun in 16 gauge was made in the year 1930,with the serial number that you have provided.
The serial number is on the receiver.