Hi, I am about to order the above mentioned scope. Being lazy I was wondering if anyone knew what size Butler Creeks I will need? Also from my reckoning and from Sako's info I should be able to get away with Optilock LO 30mm rings for it on a sporter contour barrel (max 67mm objective outer diameter)that should give me a few mm to slip the Butlers on? Anyone run the same setup?