well you start out by learning to run a lathe, mill, drill press. once you have mastered those machine tools then you can apply for your federal manufacturer of small arms license. then you can construct a firearm from raw materials.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." ó L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...
"I crapped my pants to avoid the draft!!" -Ted Nugent