Many of the compact scopes are rather short in length. They are "compact' after all. On my 336, for instance, I mounted a Leupold 2-7x27 compact scope. When mounted using a standard Leupold base I cannot slide the scope back far enough in the rings and have to lean my eyeball way way far forward to use the scope. No workie for me. A full sized VX-2 would have been fine. In fact, I had one on it and just wanted a smaller scope on the 336.
So I used a Weaver base and ring set up. The rings on this set up are placed further back by may 3/4". Much better for me.
