Attorney General Gurbir Grewal sent letters to a number of gun parts manufacturers threatening legal action unless they halt future sales in New Jersey. Grewal’s action targets unnamed “ghost gun makers” who he argues advertises build and kits to New Jersey residents with possible civil action under New Jersey’s Consumer Fraud Act, with as much as a $10,000 penalty for initial offenses. He holds that fraud is committed because the makers do not disclose that possessing a firearm classified under state law as an unregistered “assault weapon” in New Jersey is a crime. “As the chief law enforcement officer...