You need to supply the model number and serial number to get a answer.
You will have to call Browning.
With the serial number that you provided,your Browning 16 gauge shotgun was produced in the year 1949,by FN of Belguim for Browning.
Your serial number indicates that your Browning auto-5 shotgun in 16 gauge was made in the year 1937.
With the serial number that you have provided,your Browning auto-5 shotgun in 16 gauge was made in Belgium for Browning in the year 1926.
Your serial number indicates that your Browning auto-5 16 gauge shotgun was made in the year 1948.
Your Browning auto-5 shotgun in 16 gauge was made in the year 1930,with the serial number that you have provided.
Your serial number indicates that your Browning auto-5 16 gauge shotgun was made in the year 1947.
Impossible to answer without the serial number.
With the serial number that you have given,your Browning auto-5 shotgun in 16 gauge was made in the year 1937.
With the serial number that you provided,your Browning 16 gauge auto-5 shotgun was produced in the year 1929.
With the serial number that you provided,your Browning 16 gauge auto-5 shotgun was produced in the year 1935.
Your serial number indicates that your Browning auto-5 16 gauge shotgun was made in the year 1948.