The buttstock support leg was also re-added. A heat shield was added, along with a carrying handle and a bipod. This variant was produced from the 1940s until the mid-1950s. The stock shape was also changed from the M1922. The barrel fins were removed, as well as the support leg on the buttstock. This variant was a result of cutting costs. The M1922 is primarily used by the US Cavalry. The M1922 is equipped with a heavy finned barrel, a bipod on the barrel and a support leg on the stock. The M1922 was a variant of the M1918 produced in limited numbers in 1922. Most versions of the BAR have bipods however, in the M1918A2 model, they were frequently removed as a weight saving measure. 20-round double-stacked magazines are used for feeding ammunition, and the barrel is fixed. 30-06 Springfield ammunition, also found in the M1 Garand self-loading rifle, and the M1903 Springfield bolt action rifle. The BAR is gas-operated, magazine-fed and air-cooled. Attempts to redesign it to accept 7.62 NATO ammunition were unsuccessful. Also, in this modification, the BAR had no semi-automatic mode - instead it had high and low cyclic rates (650 and 450 rounds per minute, respectively).Įver since the introduction of the 7.62×51mm NATO, the BAR had been gradually pulled out of active service, and by 1960, was mostly retired. These modifications included more ergonomic changes, such as a heat shield, carrying handle, the return of the buttstock support leg and a new bipod placement. In 1940, the BAR had been modified for the last time, becoming the M1918A2, which was the most popular model, staying in production from the 1940s till the mid-1950s. Neither the M1922 nor the M1918A1 had been manufactured in large quantities. The barrel fins and the support leg under the stock were removed, and the stock's shape was changed for easier handling. This time, modifications had been geared towards cutting the cost and ergonomics. Later in 1937, the BAR had been modified again - this time becoming the M1918A1. These modifications had been specifically requested by the U.S. Modifications included a bipod, a support leg under the buttstock, a finned barrel and different sights. In 1922, the BAR had been modified to be used as a light machine gun, and the new model had received the designation M1922. However, the gun had proven to be robust enough otherwise, and had been reassigned to the role of support machine gun. Battle experience showed that the BAR was too heavy (twice the weight of the M1 Garand), and automatic fire off the shoulder or hip was difficult to control due to the powerful. The new guns were immediately field-tested on the Western Front during the First World War. Early models had no bipods, nor support leg under the buttstock. In 1918, the BAR was patented, tested, and launched into production, receiving M1918 designation in the U.S. Automatic fire capabilities were supposed to allow suppression fire during the attack. The BAR was initially intended to be used by infantry during advance actions and fired from the shoulder or even from the hip. In 1917, John Moses Browning was commissioned to create an automatic infantry firearm by the U.S.
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