This video details the construction of the 'ArmaLewis,' a custom AR-15 featuring a unique Venturi effect air-cooled barrel system inspired by the Lewis gun. The build incorporates a 16-inch barrel, a side-charging upper from New Frontier Armory, Boyd's wood furniture, and a KCI double drum magazine. The cooling mechanism relies on a linear compensator to draw ambient air through a ventilated barrel nut and across the barrel within a shroud.
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