Are handgun deaths predominantly murder, or are they mostly accidents? If the latter, then I don't think it's odd to go after AR-15-type weapons, which usually end up killing people during mass shooting incidents.
https://ucr.fbi.gov/crime-in-the-u.s/2019/crime-in-the-u.s.-...
https://www.statista.com/statistics/476409/mass-shootings-in...
Have you met many humans?