The Browning M2 .50 Caliber Machine Gun, Heavy barrel is an automatic, recoil operated, air-cooled machine gun with adjustable headspace and is crew transportable with limited amounts of ...

U.S. troops began noticing range limitations in Afghanistan with their M240 machine guns, chambered in 7.62mm, that reached about 1,500 meters. The M2 .50-caliber machine gun could reach farther ...