‘Bump stock:’ Watch a demonstration and learn how the gun device works

The Las Vegas gunman possessed a little-known device called a "bump stock" that allows a semi-automatic rifle to mimic a fully automatic one. Critics say they flout federal restrictions on automatic guns. But gun shop owners disagree.
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The Las Vegas gunman possessed a little-known device called a "bump stock" that allows a semi-automatic rifle to mimic a fully automatic one. Critics say they flout federal restrictions on automatic guns. But gun shop owners disagree.

Sam Stanton has worked for The Bee since 1991 and has covered a variety of issues, including politics, criminal justice and breaking news.