Mr. Rawles: I’ve seen your comments on the pros and cons of registered [Class 3] full autos [in the United States]. But can’t a similar effect be accomplished with a “Tac Trigger” or “Hellfire” [or similar device] for someone like me, who plans to have a marginally-manned retreat? They are banned in California, but here in Arizona, they are legal to own and use. Merci, – G.H. JWR Replies: I don’t consider trigger reset devices particularly effective, because of the way that a shooter has to loosely hold a rifle to get it to bump fire sequentially.This is not conducive …