Match Scope Rings - Match 30mm Diameter Low (.94'''') Rings Aluminum Black

From Brownells.com

When Area 419 set out to make an ideal scope ring, the things Area 419 knew was needed to accomplish, and do to a degree you won't find anywhere else on the market, is to produce a reliable, and true capture of the optic. This led us down a rabbit-hole, ultimately arriving on a process that gets you serialized, final-bore matched rings, with raw aluminum internals, for a grip on your optic that is more reliable and more true than anything else made. Like most rings, these begin as separate parts. Area 419 are making the bases and caps in batches. While many will make these parts, send them to anodize, and then just assemble, they produce around the extra steps. Once these parts Mfg: Area 419