I have FS for your consideration a Barrel (Bore) Gauge 12g that I purchased a few year back from "The Unloader". This tool has been used very little and is in perfect condition. Tool comes in a beautiful walnut case. Message me with questions. Price is $375.00 Thank you for looking
Needle only goes to zero when the setting fixture is on it. I know--I built it ! Thats a good buy !!! This will work on 10--12--and 16 Ga..