If there is no letter above or preceding this number then it depends on guage. 12ga= 1926 16ga= 1930
YOu must call Browning.
1973
You must call Browning.
Falls outside recognized data. You will have to call Browning.
1931
1950
1950.
You will have to call Browning with the sn to find out.
your browning auto-5 shotgun was made in 1929.
1924
1971
1966