The squawking about bump stocks and other gadgets to increase rate of fire on certain firearms is pointless. Limiting bullets for magazines is pointless.
Any determined killer can just buy two or three handguns, get enough ammo and/or magazines, and go do their dirty work. If you read accounts, plenty of killers have reloaded and continued their slaughters.
The only counters are armed citizens returning fire and better procedures to try and stop these nuts before they kill.
Even if all that is successful, there will be the ones who slip through and do their evil.
The disarming of American citizens will cause more deaths than if everybody's semi-automatic firearm was taken away.
There are never accounts of innocent people using firearms to protect themselves from people assaulting them. But guns are used hundreds of thousands of times annually by citizens to prevent or stop violent crimes in the process. The lib media never prints those stories.