Yes they did make a auto-5 trap.These were made with a 30in.full vent rib barrel and weighs 8.5lbs.these were made by FN in belguim until 1970.
They never did. 14 ga was never made in any model by Browning
yes
A5
Browning.
No
1902
1909.
Browning provides histoy letters for a reasonable fee.
No such A5 model number.
you can't.
Never.
To the best of my recelection the answer is no.