Burris 30mm 1.25 High XTR SIgnature Rings

Burris 30mm 1.25 High XTR Signature Rings. Opened but unused. Scope Tube Diameter is 30mm. Matte black, Picatinny attachment type. As Advertised On Website: Prop 65WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov Corrects misalignment caused by off-center receiver holes Corrects for bases or rings being slightly off-center No need for expensive tapered bases or shimming for thousand-yard shooting Rugged, robust aluminum tactical rings save weight and mount on any Picatinny-style rail Each ring set includes two sets of concentric inserts and one set each of the following offset inserts: +/-5 MOA, +/-10 MOA, +/-20 MOA