I wonder if the rebore got into the bottom of the forearm stud? Or maybe it's close enough that the vibrations from shooting are now walking that thing around, creating your accuracy and screw issues. I'd drive that sucker out and have a look at it and the barrel. Have you called the company that rebored it and talked to them about this?

Last edited by Fireball2; 02/14/24.
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An 8 dollar driveway boy living in a T-111 shack

LOL