Great information Joe but NcStar makes height adjustable scope rings for about $20 for the pair. They are sold as 1 piece but I just get a pair. I got some to compare to FX No limit rings and to see if they perform well. I must say I really liked them and have 3-4 sets now along with 3 sets of FX rings.
Yeah like I say , shimming is a bandaid not a fix . Its just something to hold it down till my base gets here .Ive tried adjustable rings and just don't care for them ....But then again I probably didn't have a goo d set either !! It was just something I was doing before shooting flies with my guns today . Didn't wanna leave my Diana out of the fun