50 caliber BMG ammunition. In the last 100+ years, the US military has tried …and failed to find a better heavy machine gun. The Ma Deuce has been fitted on jeeps, tanks, armored personnel ...

It is loaded with .50 Browning Machine Gun (.50 BMG) cartridges, also called 12.7x99 mm NATO. The ammunition allows for effective attacks from distances of up to a mile (approximated from 2 ...