A) heated compressed air(and what pray tell is wrong with that when you have 9000 psi rated pipe)

B) I've been building airguns for over two years now

C) Yes you're right about wolf ignoring all of the laws

D) drchaosmd and I have been declining to give plans for homemade airguns in the name of safety because if thay cant figure it out themselves, they shouldnt be building it.