You say tt's accurate and cycling. So dismount and assemble the mag catch correctly. Take it out to the range and put it though its paces. If the Romanians are shutting down production and they have quality control issues then the next one you get may have more serious issues. Mine is a mis-matched gun. I expect yours is as well. Numbers on that fire control group don't match the last ones on the frame, right? And no -- a little bit of play in that area shouldn't affect the magazine retention.