Moron.....a room length doesn't require the training of a Navy Seal......which is why the gun doesn't matter in mass public shootings, you dope......
Even the Las Vegas shooting it didn't matter......the longer sight radius didn't mean anything because he was firing into a tightly packed crowd of over 22,000 people who were confined and had limited ability to run and hide........you dope.......
Time in the gun free zone is what matters, not the gun.....
A shotgun, at close range of a mass public shooting will do more damage than an AR-15 and the shooter can load on the go....never running dry........
Nashville
6 killed with AR-15 rifle
Cumbria, England
22 killed with a bolt action rifle
Kerch, Russia
20 killed with a pump action shotgun.....
You idiot.