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 ...

50 caliber machine gun, designed to improve accuracy and responsiveness ... Danger is already brewing Take a look inside Air Force Two, the 155-foot custom jet plane vice presidents use to ...

While adequate as an air combat / ground attack weapon during World War Two, the Browning M2 .50 caliber machine gun had been rendered obsolete by jet aircraft and needed to be replaced by a ...