We know the answer to that. They are good for killing.

The NRA and the gun rights crowd tell us that guns make us safer. But statistically, that doesn’t prove to be the case.

More guns equal more gun deaths.

We will continue to have mass shootings and gun crime rates higher than other developed wealthy countries as long as we as a people are too ignorant to connect the dots.

http://www.vox.com/2015/10/3/9444417/gun-violence-united-states-america/in/11676003