Browning M1918 BAR (Browning Automatic Rifle) Light Machine Gun (LMG) / Squad Support Weapon
Though introduced during World War 1, the M1918 found its true value in the many conflicts involving it in the post-war years including World War 2, Korea and the Vietnam War.
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During World War 1 (1914-1918), the infantry-level automatic weapon was just beginning to scratch the surface of its potential. Self-loading rifles appeared as did full-automatic machine guns and semi-automatic pistol types. In an effort to provide the American infantryman with more portable firepower, John Browning devised his "Browning Automatic Rifle" ("BAR") which was adopted by the U.S. Army as the "Model 1918" - or M1918. The classic and utterly reliable design saw service in both World Wars and during some of the Cold War (1947-1991) period.
The French Army of World War 1 had grown to appreciate the concept of automatic weapons at the infantry level and, when the Americans committed to the war in 1917, the French passed on this appreciation to its newly arriving ally. "Walking Fire" was the term given to the concept of a standard infantryman wielding a weapon firing volumes of ammunition at the enemy. As trench warfare permeated the battlefields across Europe at this time, weapons of voluminous fire was required to clear obstacles like stubborn, dug-in enemies.
Browning went to work to develop such a weapon and settled on a gas-operated system which relied in a piston moving within a cylinder assembly. The assembly was fitted under the barrel and the open-bolt action contained in a rectangular, nearly featureless receiver. A "hump" along the top of the receiver was forced by the upwards cammed bolt lock. The extraction port was set to the right side of the receiver in the usual way. The magazine feed was found just ahead of the trigger unit and the shoulder support of the weapon constituted a traditional rifle-style butt. Wooden furniture made of this component as well as the handguard under the forward mass of the weapon. Magazines were straight in their general design and angled along their bottoms. A forward and rear iron sight allowed for some accurized fire at range.