+62%

From 1990 to 2017, the use of high-capacity magazines in high-fatality shootings resulted in a 62 percent increase in the average death toll of mass shootings.

Louis Klarevas, Andrew Conner, and David Hemenway, “The Effect of Large-Capacity Magazine Bans on High-Fatality Mass Shootings, 1990–2017,” American Journal of Public Health 109, no. 12 (2019): 1754–61, https://doi.org/10.2105/AJPH.2019.305311. The study defined a mass shooting as one with six people or more shot and killed, excluding the shooter.

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If the federal ban on assault weapons and high-capacity magazines had remained in effect from 2005 through 2022, an estimated 38 public mass shootings could have been prevented.

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+64%

Data from the ATF show that recoveries of firearms in calibers associated with assault weapons rose from about 18,000 in 2018 to nearly 30,000 in 2023—a 64 percent increase.

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400%

Mass shootings involving at least one assault weapon or firearm equipped with a high-capacity magazine lead to 400 percent more victims.

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53%

In 2023, firearms made up 53% of nonveteran suicides

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