Welcome to the new PGCA Forum! As well, since it
is new - please read the following:
This is a new forum - so you must REGISTER to this Forum before posting;
If you are not a PGCA Member, we do not allow posts selling, offering or brokering firearms and/or parts; and You MUST REGISTER your REAL FIRST and LAST NAME as your login name.
To register: Click here..................
If you are registered to the forum and keep getting logged
out: Please
Click Here...
Paul, my 10 gauge bores measure .810"-.812" just forward of the chamber. Both chokes measure .795". The left choke has obviously been augered out. There are some rough tool marks. The chamber mouths are .855", which would have been the 10A shell. I believe that system was still in place in 1879.