A firearms retailer and a national gun rights group have filed an emergency plea with the U.S. Supreme Court, seeking to block Illinois' assault weapons ban.
Illinois State Police are urging gun owners in the state to register their assault-style weapons in compliance with the Protect Illinois Communities Act, which went into effect at the start of the year.
Illinois residents who own semi-automatic firearms are now required by law to register them with the state police. This registration is part of the state's ban on assault weapons.