Farrell will machine matching rings to the base but, they're pretty pricey.
I saw no need for the added expense of "tactical" rings and I've always had very good experiences with Warne products, so I used the Warne Maxima QD's. The vertical split rings are awkward to get used to, at first. I've used the same set-up on three long-distance rifles and have found them to work very well.
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