Is that a threaded barrel on the SU? And you live in CA? How?
Oh that makes me feel safer, What keeps anyone thats going to break the law with it, keep from doing it. Same with short barrel rifles and shotguns takes 5 seconds with a SawZaw.Egan said:The CA model comes with a threaded barrel. As long as you don't thread on a flash suppressor or integral suppressor it's okay.