Originally Posted by pk5
FYI: your boring is a little tight on Tym brass insert, of course i am leaving mine stuck inside and have no intention of removing it so it is not a big deal for me, but just an FYI.
they shouldnt be tight
i bore them out to .744 +/- .001
ty turns his to .738
i'd be more than happy to roller burnish yours a bit more to fix it