True but what stores don't? A list of stores in Tulsa area would be nice.
Don't know about Tulsa but in OKC gun buster signs are pretty rare.
A number of furniture stores on furniture row on Reno Ave display them. Most of the hospitals display them. Some claim that 7-11 displays them but I have never personally seen one. There's an Indian food restaurant on NE 23 with one and that's the only eating establishment I've ever seen with one.
Other than that, those are all I've seen in OKC.