From Optisan, this is a pair of medium 30mm Weaver/Picatinny Riflescope QRA Gen II Quick Release Mounting Rings, designed with a 25% weight reduction over the predecessor QRA Gen I model, without sacrificing return to zero precision. Each ring is machined from a single solid piece of steel and features a matte black surface finish. The integrated recoil lug fits any Weaver or Picatinny (MIL-STD-1913) rail and ensures a positive engagement with the mounting rail.
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