AUTO RESET TRIGGER RARE BREED NO FURTHER A MYSTERY

There are already a couple of things that the FATF mentioned have been a no no in addition to a judge somewhere would strike down. Since it pertains to FRTs, are these lawful to buy anywhere or can it be just Texas?  Do It's important to be a member of some gun legal rights org? If you are a member of that org can you buy them everywhere?Nonethele