Try this one on for size: http://library.municode.com/index.as...rth%20Carolina
It's dated 1990, revised 2006. I can't find anything newer. Suggest going to the courthouse (unarmed) and ask to see a copy of the ordinances, Chapter 12 Parks and Recreation.
9:52p Just finished running through the board of commissioners meeting agendas from 1 Jul 11 to mid-June 2012 and found no mention of parks/recreation areas vs. firearms.