Wow...you truly are stupid....
They are not "terrible" weapons.......and he could have easily murdered those people with a shotgun, revolver or hunting rifle...you doofus....
The gun does not determine how many are killed
Magazine capacity does not determine how many are killed......
The amount of time the killer has in a gun free zone before someone shoots at and stops them determines how many get killed
Nashville
AR-15 rifle 6 killed
A Rental Truck in Nice, France, in 5 minutes.....
86 killed, 450 wounded...more than any mass public shooting in the U.S.
Cumbria shooting in Britain...
...no semi-auto rifle...... Double barrel shotgun, bolt action rifle
13 killed, 11 injured....
Kerch, Russia
5 shot, pump action shotgun, not a rifle, no magazine
20 killed
Navy Yard shooting
5 shot, pump action shotgun,not a rifle, no magazine
12 killed
Santa Fe, High school shooting
No rifle, pump action shotgun, .38 caliber revolve