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Colorado generally prohibits the knowing possession of a “dangerous weapon,” which includes a machine gun.1 However, an exception applies for any person with a valid permit to possess a machine gun.2
Federal law requires machine guns to be registered with the Bureau of Alcohol, Tobacco, Firearms & Explosives (ATF), and generally prohibits the transfer or possession of machine guns manufactured after May 19, 1986.3
See our Machine Guns & Automatic Firearms policy summary for a comprehensive discussion of this issue.