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High-capacity magazines led to nearly 5x as many people shot per mass shooting

Source: Analysis of Everytown’s Mass Shootings in the United States database, 2015 to 2022, https://everytownresearch.org/mass-shootings-in-america/. Mass shooting defined as four or more people killed. Excludes incidents with unknown magazine capacity.

Last updated: 4.28.2023

Did you know?

Every day, nearly 130 people in the United States are killed with guns, twice as many are shot and wounded, and countless others are impacted by acts of gun violence.

Everytown Research analysis of CDC, WONDER, Provisional Mortality Statistics, Multiple Cause of Death, 2020–2024; Healthcare Cost and Utilization Project nonfatal firearm injury data, 2020; and SurveyUSA, Market Research Study #26602, 2022.

Last updated: 1.15.2026