Product DescriptionBurris XTR Signature Rings are engineered for tactical and precision shooters who demand rock-solid scope mounting with minimal weight. These rugged aluminum rings feature unique, self-centering dual steel clamps for secure alignment on Picatinny and most Weaver-style rails. Burris&&';; Pos-Align Inserts maximize scope-to-ring contact and allow precise centering without marring your optic, while also enabling cant adjustments without shims or tapered bases.Product Highlights 34mm scope tube rings with 1.00 in height for versatile mounting on precision rifles Pos-Align Inserts ensure perfect centering and superior gripping power without damaging the scope finish Dual steel clamps with cross-through connection lock solidly to Picatinny/Weaver rails Includes multiple offset inserts to dial in up to 40 MOA of cant without shimming Lightweight, durable aluminum construction with matte black finish Specs Product Type: Scope Rings (pair) Tube Diameter: 34 mm Height: 1.00 in (from base of ring to bottom of scope tube) Rail Compatibility: Picatinny and most Weaver-style rails Material: Aluminum Finish: Matte Black Included Inserts: 0 MOA, 5 MOA, 10 MOA, 20 MOA (enables 0-40 MOA cant options) Pieces: 2-ring set UPC: 000381202109 MPN: 420210 Brand: Burris Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.