A man aims a Magpul weapon during the Association of the US Army Annual Meeting and Exposition in Washington, DC, October 13, 2014. Magpul Industries Corporation is an American designer and manufacturer of polymer and composite high-tech firearms, accessories and concept firearms and is based in Erie, Colorado.             AFP PHOTO / Jim WATSON / AFP PHOTO / JIM WATSON        (Photo credit should read JIM WATSON/AFP/Getty Images)