1949
Your Browning auto-5 shotgun in 16 gauge was made in the year 1930,with the serial number that you have provided.
1924
your browning auto-5 magnum was made in 1972.
Your serial number indicates that your Browning standard weight auto-5 shotgun was made in the year 1927.
With the serial number that you provided,your Browning auto-5 shotgun was made in the year 1946.
The prefix to your serial number of 70z indicates that your Browning auto-5 shotgun was made in the year 1970.
Your Browning auto-5,12 gauge shotgun was made in the year 1948,with the serial number 265,711.
This gun was made in 1963
1971
1929
1952