Gun deaths were flat for several years, even after the "assault" weapons ban.
"flat"
Regardless, what's the difference between a child being killed with a semi automatic hand gun, vs a semi automatic rifle?Why are you ok with a child being killed with a hand gun? If we banned "assault" weapons, and kids were being killed with only hand guns, would you finally be on board with armed security? Or would you still be a no?
A child is obviously more likely to survive being shot with a handgun than a AR15 because of the significant difference in muzzle velocity. Also a 9mm pistol like a Glock or Sig Sauer might have a 10 or 12 round magazine compared to 20 or 30 in an AR which means a shooter with a pistol would have to spend more time reloading, giving his victims more time to escape or for help to arrive.