Where did you get that, that's bogus.
Carson argued the Second Amendment has been historically necessary and will be in the future for two main reasons: to fight against foreign invasion with an armed citizenry and to prevent tyranny from the government.
During an interview with Glenn Beck in March 2013, Carson argued people should be able to own semi-automatic weapons based on where they lived.
“It depends on where you live,” Carson said .”I think if you live in the midst of a lot of people, and I’m afraid that that semi-automatic weapon is going to fall into the hands of a crazy person, I would rather you not have it.”