I sent the barreled action back to the shop. Waiting for their response. I had hoped to get an idea what some of the gunsmiths and experts out there think Min and Max should be on chamber dimensions. I have had only two other rifles with what I considered oversize chambers. One .270 Win factory barreled and one 7mm08 chambered by a local Gunsmith. Both wore out brass fast usually a case lasted about three firings. This is with full length sizing for hunting. I know I can neck size and get more case life out a borderline chamber but would rather not for hunting. It seems like the SAAMI standard would be an absolute maximum. A couple of thousandths ought to be plenty of clearance for extraction and sizing. Thoughts?
