Before the Browning M2, there was a series of Colt commercial .50 caliber machine guns. The .50 BMG (12.7x99mm) cartridge began development in 1918, and after the end of the war Colt and John Browning ...
A new weapon with a totally different new type of ammo that is not yet even in the developmental phase. The U.S. Army is in the early stages of beginning to draft requirements for a new ...