I don't use an outdoor range much. I had the AR for 3 years or so before finally deciding to sight it in. I mostly do indoor pistol shooting.
I went there in March, with my Son who was visiting from Canada, to sight in my AR at 25 & 50yds.
It is a no hassle, friendly, clean place with chairs, bags and even a spotting scope for your use.
Highly recommended. It's even fun to watch the experts with the high dollar rifles hit the bulls eye at 400 and 500yds!