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Your browning auto-5 shotgun was made by FN of belguim for browning in 1957.
If your browning auto-5 shotgun is a 12gauge,then it was made in 1927.If you have a 16 gauge shotgun then it was made in 1934.
Being that you said auto shotgun,then you have the Browning auto-5 shotgun that was made by FN in Belgium from 1903-1975.Your serial number indicates that your Shotgun was made in the year 1938.
your browning auto-5 was made in 1925.
With the serial number that you provided,your browning auto-5 shotgun was made by FN of belguim for browning in 1907.
You have a Browning Auto-5 in 16ga. made in 1953
your browning auto-5 was made in 1925.
If you are talking about a auto-5 shotgun? Then your auto-5 magnum shotgun was made in 1959.
Your belguim made browning auto-5 standard weight shotgun was made in 1962.
Your Browning auto-5 shotgun with the prefix of 70s to the serial number identifies that your shotgun was made in Belgium for Browning in the year 1970.
If your Browning auto-5 shotgun is chambered in 12 gauge then it was made in the year 1928.If it is chambered in 16 gauge,then it was made in the year 1938.
If we are talking about a browning auto-5 semi-auto shotgun?Then your sotgun was made by FN of belguim for browning in 1939 with the serial n umber you provided.