Italian defense department orders Hitrole remote-controlled machine gun turrets to enable soldiers in Afghanistan to aim and fire without exposing themselves to attack.

In 2018, the Trump administration banned the devices, which enable semiautomatic rifles to fire almost like machine guns. On Friday, the Supreme Court overturned the ban.

General Dynamics designed the vehicles to transport food, water, and other supplies, and the Marines recently tested MUTTs with a far more powerful piece of cargo on board: a .50-caliber machine gun.

Several states in the United States are backing a law to ban devices that convert pistols into machine guns. The devices convert semi-automatic guns to fire like a fully automatic weapon and have ...