Maybe not such a bad idea, in light of all the things happening because of people who get angry and then use their gun to settle things...You may be able to say that you are stating a message about being against concealed weapons - at least this one is completely visible - ha ha! But, I don't know your stand on this, and getting into political issues here on this blog is probably not a good thing...
I have seen these before. Enjoy but not carry in an airport lol.