This is a Browning Auto-5 Lightweight 12 gauge shotgun.
A Browning auto-5 shotgun in 12 gauge with the serial number provided,indicates that it was made by FN of Belguim for Browning in 1905.
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.
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.
Your Browning auto-5 16 gauge shotgun was made in the year 1931.
If your browning auto-5 shotgun is a 12 gauge then it was made in 1927,if you have a 16 gauge shotgun it was made in 1934.
If you have a 12 gauge model auto-5 Browning shotgun?Then it was produced by FN of Belguim for Browning in 1923.If you have the same shotgun in 16 gauge,then it was produced in 1928.
If you have a Browning auto-5 shotgun in 12 gauge it was made in the year 1925.If it is a 16 gauge shotgun,then it was made in the year 1929.
Seeing that you did not state what gauge your shotgun is in,the Browning auto-5 shotgun chambered in 12 gauge with the serial number 49322 was made in 1921,if you have a 16 gauge model auto-5 shotgun then it was made in the year 1926.
Your browning auto-5 shotgun was produced in 1953.
your browning auto-5 shotgun was made in 1928.
It is the lightweight version of the Browning Auto-5 semi-automatic shotgun.