Remembering the Battle of Gettysburg 150 years on

June 30, 2013 8:13 PM

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  • 'Bump stock:' Watch a demonstration and learn how the gun device works

    The deadly Las Vegas shooting brought to light the use of a device called a "bump stock,” which allows a semi-automatic rifle to mimic a fully automatic ones. Critics say that the device disregards current federal restrictions on automatic guns, but a gun store owner in Texas disagrees.