Did you know that 3xs as many people are killed with knives than ALL rifles combined each year? And 2Xs as many via hands and feet(unarmed)? And that only around 50-100 people a year are killed with the AR-15 platform, this includes the police who kill 1k of us on average a year.
Did you conveniently forget handguns in your examples? The statistic shows that firearms are the most used tool for homicides by a huge margin.