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A device that can turn a semi-automatic weapon into a machine gun in moments is wreaking havoc on American streets | CNN
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Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
Army Announces 2 New Rifles for Close-Combat Soldiers > U.S. Department of Defense > Defense Department News
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