Here in St. Louis, you have to have a concealed carry license. Edit: I just did some research and you can actually choose whether or not you want to take the concealed carry class, the class is more for inexperienced gun owners though. https://www.ksdk.com/article/news/local/concealed-carry-permit-no-longer-required-in-mo/63-381182039#:~:text=Effective%20January%201%2C%202017%2C%20most%20people%20will%20not,Gov.%20Nixon%20vetoed%20it.%20Then%2C%20the%20Republican-led%20

Here in St. Louis, you have to have a concealed carry license.