JUST GIVE IT UP, IT’S LIKE TRYING TO BAN POT: ‘Unfinished receivers,’ a gun part that is sold separately, lets some people get around laws. “Under the Gun Control Act of 1968, it is illegal for an unlicensed person to make a firearm for sale or distribution. Vendors, however, say that because the receivers are not finished, they are not firearms and therefore are legal to sell and distribute.”