Thanks I will check it daily this week, it's a hundred mile drive for me.It seems to be on for now. Impossible to predict the future, but they have always posted it on their website as soon as it was cancelled, so you can check here before you head that way.
I don't see anything about limiting capacity. Haven't heard anything about it being limited, but can't say for certain.
http://www.tulsaarmsshow.com/homem.html