There are several variants of the heavy-hitting .50 caliber round, used by the U.S. military in M2 machine guns and M107 sniper rifles. The .50 caliber M8 armor-piercing bullet has an aluminum color ...
Pfc. Daniel Stillwell, a machine gunner with Charlie Company, 1st Battalion, 3rd Marine Regiment, shoots the .50 caliber M2 Browning machine gun during crew-served weapons training at Schofield ...