Members are gaining momentum and educating the public on 2nd amendment rights at their OC events. South Dakota OC ers' are stepping up and are trying to lead the battle on protecting your 2nd amendment rights. Oc ers' are gathering again on Sunday March 4th. 2012 at 12 Noon for another OC meet and greet lunch and Range day in Sioux Falls,SD. Gary's Gun Shop has invited all members of to use their range on Sunday and are including a Special discount on range fees for SDOC members.