I've shot and cleaned my pistol several times without any issues removing the barrel jacket to clean it. But, after shooting it this weekend, the barrel jacket won't come off and it is stuck in a position that allows for about 5mm of forward/aft play in the barrel. The silencer adapter has come loose a few times while shooting and I'm worried that something may have wedged itself between the jacket and barrel. Has anyone else had this issue or any suggestions on what I should do to remove the barrel jacket?