Go to Browning.com. Under customer service you can find a manual to view/download.
Ask a gunsmith for help or request/downlaod a manual from Browning's site.
Best left to a trained gunsmith
It will be marked "Made in Belgium"
Which guage is it? According to The Browning date guide your A-5 was made in 1924. This can be confirmed by visiting: http://proofhouse.com/browning/index.html
50-250 usd
No
Your browning auto-5 wa made by FN of belguim for browning in 1931.
your browning auto-5 was made in 1927.
your browning auto-5 was made in 1925.
Your browning auto-5 magnum shotgun was made by FN of belguim for browning in 1965.
They refer to this handgun as the browning model BDA (browning double action auto) pistol.
With the serial number that you provided,your browning auto-5 shotgun was made by FN of belguim for browning in 1907.