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Of the last 80 massive shootings in the joined States, much more than a quarter, including Monday"s shoot in Boulder, Colorado, associated the use of AR-15 rifles.

You are watching: How many ar 15 have been used in mass shootings

A audioeditorfree.com analysis found the the semi-automatic rifle was used in 21 massive shootings over the past decade.

Among those cases are several of the most dangerous mass shootings in the nation"s history, including the las Vegas shooting, which left 59 civilization dead; the Orlando, Florida, nightclub shooting, which killed 50; and also the Sandy Hook Elementary college shooting in Connecticut, which eliminated 28.

On Monday afternoon, a gunman opened fire at a grocery save in Boulder, killing 10 people, including 51-year-old veteran police officer Eric Talley, that was the an initial to report come the scene.

A an elderly law enforcement officer through the Boulder police called CNN that the weapon supplied was an AR-15-style rifle, the same kind of weapon provided in the 2018 Parkland, Florida, school shooting and also the Colorado theater shooting in 2012.

While there"s no legal definition of a massive shooting, the federal federal government has stated that the death of in ~ least four victims constitutes a mass murder.

AR-15-style assault rifles have actually been a common trend in several of the most dangerous mass shootings. These weapons possess an enormous amount of death power due to the fact that they have the right to inflict what one of their designers called "maximum wound effect." These tools are normally able to fire far an ext bullets at a quicker rate 보다 manual-action hunting rifles.


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A customer handle an AR-15 at Jimmy"s sport Shop in Mineola, brand-new York, on September 25, 2020. AR-15 rifles were offered in 26 percent of the last 80 massive shootings in the joined States.Timothy A. Clary/AFPAssault tools have become the target of plenty of gun reform institutions pushing for claims to ban these species of guns. Currently, only seven states and the district of Columbia prohibit assault weapons.

A 2018 study discovered that fatalities were lower when a federal ban on attack weapons was in effect between 1994 and 2004. State assault weapons bans have likewise been associated with a lower likelihood that an energetic shooter event. Colorado go not have an attack weapons ban.

See more: How Many Homicides In California 2020, Most In 13 Years, Crime In California

However, pistol rights supporters have safeguarded the property of these weapons, arguing that lock are among those defended by the 2nd Amendment.

Of the critical 80 massive shootings in the country, one AR-15 gun was supplied in:

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The Boulder shoot this weekThe 2019 Jersey City, brand-new Jersey shootingThe Midland-Odessa federal government shooting in Texas in 2019The 2019 Dayton shoot in OhioThe Tree of Life synagogue shooting in Pittsburgh in 2018The Waffle residence shooting in Nashville in 2018The 2018 shooting at Marjory Stoneman Douglas High SchoolThe 2018 Melcroft, Pennsylvania, shootingThe shootings at Rancho Tehama make reservation in California in 2017The Sutherland Springs, Texas, church shooting in 2017The 2017 ras Vegas shootingThe 2017 Plano, Texas, shootingThe 2017 Lincoln County, Mississippi, shootingsThe Orlando nightclub shoot in 2016The 2015 san Bernardino, California, attackThe 2015 Colorado Springs, Colorado, shootingThe 2013 Santa Monica, California, shootingThe 2013 homicides in south Valley, brand-new MexicoThe 2012 Webster, new York, shootingThe Sandy Hook Elementary shooting in Newtown, Connecticut, in 2012

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