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-like performance in a lightweight machine ... Sig Sauer in recent years won the Modular Handgun System contract to provide a 9mm sidearm to all military branches as well as the Army's ...