Yes. A lot of choke manufacturers like Briley will also. Check with a gunsmith in your area as some have become really good at it.
Contact Browning.
No
If it has choke tubes, yes. If it is fixed choke, no. I called Browning about mine and that was the answer they gave me.
Inspector, proof, choke, etc..
It stands for Modified choke.
'*' 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).
Not recommended
Possible, but, not recommended.
A poly choke is an aftermarket choke. The choke twists to different settings. It should have marks to determine settings around the collar of the choke
Follow manufacturer's instructions.
yes
It will be marked on the weapon.