I don't have gun because I strongly disagree of letting people have gun. I think gun is just another way of overpowering other poeple to treat them un-equally.  Maybe, everybody deserve a defensive tools or etc but I don't think having gun is best Idea.
If I ever I be having a gun, I think it will stay inside my house and I will not bring it in-other places to avoid misundertanding because some people feel threatened when they saw a gun to another people. However, for as long as people use it properly without harming other people life -especially with no reason of killing- then It will be alright.