I do have the go/ no go gauges and they work as intended. Get the AW2 Reamer. You can do it right through the action. I actually removed the barrel. It stopped all the binding issues. Very easy process. You can’t go wrong. Now whether their barrels can group
Is a different subject. The...
Not sure you found a solution but I had same problems. I rented the AW2 reamer from this site and problem solved. They use a very tight reamer at Christensen. Unfortunately for me I just can’t get the thing to group worth a crap