TERRORIST KILLER us military GAU 19B 50 Cal Gatling Gun videos The US Military GAU 23 30 Cal Auto cannon makes a great terrorist killer and will serve the US Military well in future battles. The Mk44 Bushmaster II is a 30 mm .\r
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Another great weapon for the US military and us army. Could prove useful in combating terrorists in Iraq and Syria. The GECAL 50, officially designated by the .