A feed assembly of an assault rifle for feeding rounds of ammunition to a firing chamber includes an ammunition feed that is cooperable with the firing chamber. The ammunition feed simultaneously receives a magazine biased to deliver rounds of ammunition to the firing chamber and a belt feed system for feeding belted rounds of ammunition to the firing chamber. A selector is interconnected to a pawl and a magazine cover. The selector simultaneously actuates the pawl and the magazine cover alternately opening and closing the pawl and the magazine cover for selectively feeding rounds of ammunition from the belt feed system or the magazine into the firing chamber.
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