Please identify the model. Looks like it could be an Auto5 made in 1948.
1973
No serial number provided
it was made in 1967
1938, Belgium
Impossible to answer without a serial number.
it was made in 1961
You need the services of a gunsmith
Go to Browning.com and you can download a manual
You will have to call Browning
Try e-gunparts.com, Mid West Gun Works, Browning.
YOu must provide the serial number.