The Supreme Court declined Monday to hear arguments in a pair of significant Second Amendment challenges involving certain semi-automatic weapons and high-capacity magazines, a move that leaves both of those laws in place.

The case from Maryland was the court’s latest opportunity to apply its recently announced history-based test for assessing the constitutionality of gun control laws.

After considering them at 15 consecutive conferences, the Supreme Court on Monday declined to take up two challenges to gun-control laws in Maryland and Rhode Island. In each case, three justices indicated