ILya... your recommendation on lowest priced rings that hold zero?
Those XLRs look promising.
I've used ARC M10, Seekins/Vortex branded Seekins, NF unimount with perfect zero with all of these.
For cheapie .22LR, cheap .308, looking for budget scope rings.
I have not tried the UTG mount, but I was very pleasantly surprised by a UTG handguard I used for a build a little while back. I might try the UTG rigns at some point.
Still, in general, I am pretty conservative with mounts. For precision stuff, I mostly use Aadmounts which are expensive and worth it.
For individual rings, I have grown really fond of Burris XTR Signature rings. I am making good use of the inserts.
With other single piece mount, the Seekins one seems to be working well and is reasonably priced. I have used a couple of GG&G FLT mounts and while looking less pretty than others, I had exactly zero problems with them.
Burris PEPR is supposed to be totally re-designed (the original one was not great), but I havn't used it.
With AeroPrecision, I have several that I bought at some point and while I like the low weight, I am not happy with their consistency (which is weird, since generally AP products have worked well for me over the years).
ILya