Since you did not provide the serial number, there is no way to answer your question. You will need to call Browning and give them the serial number to find out. Alternatively, find one of the many books on Browning Firearms that has sn date in it. BLue Bool of Gun Values has some sn data for Browning.
No serial number provided.
You must call Browning with the serial number.
1947
Call Browning with the sn and they can tell you.
made in 1965 Date your gun http://www.browning.com/customerservice/dategun/index.asp
1947
Your browning was made in 1976.
The M69 in the serial number dates your browning BAR to the year 1969.
1976
You will need to call Browning.
your browning auto-5, 16ga shotgun was produced in 1947.
You will have to call Browning.