No friggin way. The power to approve is the power to deny. I don't want the govt in the position to determine who may purchase a firearm, except in the cases of certified mental illness, violent felony record etc.
It already has a place in American jurisprudence, and graduation from Maas Ayoob's one-week school, with the accompanying/required hand-written student notebook and Ayoob's testimony as an expert witness for the defense has been known to work in a defendant's favor...