Browning .30-caliber machine guns saw US Army, Navy, Marine, and Air Force service in World War I & II, Korea, and Vietnam, and are still occasionally found in use elsewhere even today. Produced in both water-cooled and air-cooled versions, it has been employed in every imaginable role for a machine gun - antipersonnel, antiaircraft, mounted on aircraft as both defensive and offensive armament, defensive armament aboard vehicles (armored and soft-skin), mounted on watercraft, and others.

The .30-caliber story began in World War I, as legendary US weapon-designer John M. Browning...

As a lightweight machine gun, the American designed Lewis Gun made a place for itself in World War I & World War II.

Although machine guns were widely issued and used during the bloody opening months of World War I, these deadly weapons proved to be too heavy to be tactically mobile. Casting around for existing designs to supplement inadequate stocks of the excellent Vickers gun, the British adopted the US-designed Lewis gun, which had not found favour with the US Army. The British quickly came to realise that while the new weapon was unable to match its heavier cousin in terms of...