Las Vegas shooter modified 12 weapons to mimic machine guns

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(Source: 3TV/CBS 5) (Source: 3TV/CBS 5)
(3TV/CBS 5) -

The Las Vegas shooter responsible for one of the deadliest mass shootings in U.S. history had modified 12 semi-automatic weapons to mimic fully automatic machine guns, The Associated Press is reporting. 

The so-call "bump stock" device can be placed on a semi-automatic weapon to rapid fire hundreds of rounds per minute. 

While machine guns are tightly regulated by the federal government, bump stocks are easily available and sold for as low as $99, according to several websites. 

[RELATED: 'I'm going to die': fear grips Vegas strip; gunman kills 59]

Because these devices are not automatic triggers, they're are able to skirt federal rules that regulate machine guns.

Bump stocks are less than 10 years old, but have already come under scrutiny. 

In 2013 Sen. Dianne Feinstein, a Democrat from California, proposed outlawing them but Congress has yet to move on the bill. 

[RELATED: Las Vegas gunman's father served time for Arizona crimes]

Sunday's shooting has renewed calls for banning or at least regulating bump stocks. 

Geneva Haber with the Arizona chapter of Moms Demand Action says there is no reason anyone, other than the military member, needs a weapon with so much firepower. 

"For civilians I don't see any use for that so no I think those need to be regulated across the country," she said. 

[RELATED: Bump stocks found in shooter’s hotel reignite gun control debate]

However, local gun rights advocate Alan Korwin defended the availability and lack of regulations over bump stocks.

During a phone interview Tuesday, he said they could be needed in times of civil unrest.

"If you have a massive attack coming at you, you don't want a pop-gun," Korwin said. 

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Dennis WlechVeteran political reporter Dennis Welch is a well-respected political expert in Arizona.

Dennis Welch
Political Editor

Before making the move to television, Welch wrote and edited for the Arizona Guardian, a highly influential online news site dedicated to Arizona politics and government where he served as owner and editor. During his Guardian days, Welch was a frequent guest on “Politics Unplugged” and has been a regular fixture on the state political landscape since 2005 appearing on numerous radio and television talk shows. “I am thrilled to start working with such a talented and dedicated staff of journalists,” said Welch. “This is a great opportunity to broaden the reach of my political coverage and tell stories that affect Arizona voters and their families.” With more than 13 years of experience under his belt, Welch’s arrival only strengthens 3TV’s commitment to providing first-rate political and government coverage across all platforms. When not covering politics, Welch is an avid runner and fronts a punk rock band that plays frequently throughout the Southwest and California. Welch is a well-respected political expert in Arizona and his addition means 3TV will provide a stronger, more robust political presence in Arizona. He joins 3TV from the Arizona Guardian, a highly influential online news site dedicated to Arizona politics and government where he served as owner and editor. During his Guardian days, Welch was a frequent guest on “Politics Unplugged” and has been a regular fixture on the state political landscape since 2005 appearing on numerous radio and television talk shows. “I am thrilled to start working with such a talented and dedicated staff of journalists,” said Welch. “This is a great opportunity to broaden the reach of my political coverage and tell stories that affect Arizona voters and their families.” With more than 13 years of experience under his belt, Welch’s arrival only strengthens 3TV’s commitment to providing first-rate political and government coverage across all platforms. When not covering politics, Welch is an avid runner and fronts a punk rock band that plays frequently throughout the Southwest and California.

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