I have a lot of semi-autos and milsurps but only a few decent bolt action rifles. So I felt I "needed" something like this .308 I didn't like these rings so I got some better ones today.
Might want to check out the new Sierra 175 tipped MK's. I am running them from a 20 inch barrel and depending on climate factors normally get to 1000 with 9.9-10.1 Mils