US Supreme Court won't review assault weapon, high-capacity magazine bans

June 2 (Reuters) - The U.S. Supreme Court declined on Monday to hear a challenge to the legality of state restrictions on assault-style rifles and large-capacity ammunition magazines, passing up for now cases that offered the justices a chance to further expand gun rights. The justices turned away two appeals after lower courts upheld a ban in Maryland on powerful semi-automatic rifles such as AR-15s and one in Rhode Island restricting the possession of ammunition feeding devices holding more than 10 rounds. The lower courts rejected arguments that the measures violate the U.S. Constitution's Second Amendment right to "keep and...