Should have choke tubes, being that you can change it to whatever choke you want, so there would be no marking on the gun. There would be markings on the end of the choke tube though, usually between 1-5 lines. Not positive on which means what, but I believe the higher the number the tighter the pattern. But take that with a grain of salt.
Check on the barrel flats
They are located on the left side of the barrel * designates full choke (F). *- designates improved modified choke (IM). ** designates modified choke (M). **- designates improved cylinder choke (IC). **$ designates skeet (SK). *** designates cylinder bore (CYL).
No
Browning Choke Markings "* " = full "*- " = improved modified "** " = modified "**-" = improved cylinder "**$" = skeet "***" = cylinder
A barrel with a full choke.
1965 if it is an auto-5. There should be markings on barrel to indicate choke.
No way to answer without knowing barrel length and gauge.
Barrel marking include the proof marks, choke code and weight of the barrels. Please be specific and we can give a more direct answer.
A shotgun barrel with a cylinder bore choke.
look under the forearm
It is possible
Browning has information on their web site.