I'm looking for a good set of 30mm rings for an AR-10. I've been looking at Burris XTRs or even their PEPR (single rail rings). I'd like QD rings but that's not primarily important. I know, I know, I get what I pay for but I really don't think I'll need to spend $110 on the rings when the Burris XTR go for around $60. I'm just wondering if there are any other good brands out there that I don't know about besides the usual ones. As always, thanks!