https://www.youtube.com/watch?time_continue=1&v=TYMXafe60LU
Check out this amazing Gatling gun used throughout the U.S. military. It's called the GAU-19/A and it's an electronically-powered Gatling gun that fires off .50 BMG (12.7 x 99mm) cartridges. It's an absolute beast! It's even capable of firing either 1,000 or 2,000 rounds per minute!