sanada

Hi all, I've had my R1 a few months, and just recently had an issue. The wooden forestock screwed off normally, and I inserted the stud at the front of it into the holes on the front gas chamber to screw it off. The gas chamber is on so tight that the stud snapped. I've tried prying the gas chamber open a bit too, to no avail. So now I'm left with two issues; where can I get another wooden forestock? And what's the best way to get my gas chamber opened to clean the gun? Any help is appreciated, thank you.