Quote Originally Posted by Big Al1 View Post
It depends on the size of the objective bell on the front of the scope, it has to clear the top of the barrel when mounted so it dosen't touch. Most manufacturers will have a chart to tell which height ring to use with each size scope.
Right on Big Al1----Was going to mention that, but got called away from the computer, came back, proof read my reply hurriedly, and sent...wife put me on a mission. Good, important point posted!!!