Unfortunately that manufacturing defect is not uncommon, however you were fortunate enough to be able to tune it out using the Burris rings and keeping your windage turret centered. I guess as long as Savage (and other manufacturers) keep on making that mistake, there will always be a market for Burris rings, Leupold too.
BTW: If you upgrade your membership a bit, you'll get access to classifieds and ability to find cool used stuff at a significant savings. Well worth a couple bucks, IMOP.
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