Your browning 16ga was produced by browning in belguim in 1949.
Try gunbroker.com in the barrel section.
It will be marked on the receiver/barrel.
The barrel will be marked "Made in Belgium"
OEM from Browning. Anything else will require a gunsmith.
The barrel will say where it was manufactured
You will have to call Browning to find out.
Please re ask. What is your question?
Usually located on the frame/reciever and/or barrel.
it would be stamped on the right side of the barrel.
Which model is this? Simply check the barrel. It should say Made in Belgium if it was.