Originally Posted By: Oberndorf
Thanks OH, really appreciate it. I will post pictures of the locks when I get time to take them out.

Wondering about the 11B and 12B proof marks, I thought it would be marked as 10B for 10ga.


your is a 11 bore and 12 at the muzzle, the chamber would still be 10

I do not think tight bores are uncommon in guns of that era-