Disable the gas system (removable gas plug, etc), and it would no longer be a semi-auto.I'm not sure this stock design would be helpful re: OR and WA. All it does really is allow the op rod to be pulled by the slide on the forearm, kind of like a shotgun. It's still semiauto after that..
An alloy "chassis system" for $59. That's less than my drive-thru tab with the rugrats today