Asking for opinions on my Marlin model 90

[Bill Jolliff]

Originally Posted by Jerry Harlow

Sounds like modified and full. From memory I think most dimes are .710. So you probably have more than .030 in the top, a full. That is an old-timers trick to see how tight a 12 gauge barrel was.

US dimes are about 0.703" diameter. I'm one of the old timers that use a dime to determine 12 gauge chokes. It still works.

[6pt-Sika]

Originally Posted by Bill Jolliff

US dimes are about 0.703" diameter. I'm one of the old timers that use a dime to determine 12 gauge chokes. It still works.

Yes sir that’s the bore gauge I grew up with for a 12 gauge , float a dime and it was full goes inside modified and if goes inside with more room improved cylinder .