BURRIS Xtreme Signature Tactical Secure Reliable Durable Lightweight Aluminum Shooting Optic Mounting Rings - 1 inch Size; 1.25 in. Height to Center

DUAL STEEL CLAMPS - The Xtreme Signature Rings feature unique, self-centering dual steel clamps with a full cross-through connection; This innovative design ensures proper centering on any width Picatinny rail while adding extra strength POS-ALIGN INSERTS TECHNOLOGY - Revolutionary Pos-Align Inserts technology sets these rings apart, offering perfect centering and maximum scope-to-ring contact for unparalleled gripping power without risking damage to the scope finish VIRTUALLY SIGHT-IN - The Xtreme Signature Rings enable shooters to virtually sight in the gun without moving the scope adjustments, streamlining the zeroing process and saving valuable time and ammunition; This feature enhances efficiency and convenience CORRECTS MISALIGNMENT - These rings are designed to correct misalignment caused by off-center receiver holes; Also, they correct for bases or rings being slightly off-center, eliminating the need for tapered bases or shimming for long-range shooting VERSATILITY - Crafted from rugged and robust aluminum, the Xtreme Signature Rings are both lightweight and durable, capable of mounting on any Picatinny and most Weaver-style rails; Pos-Align Inserts allow shooters to adjust the cant from 0 to 40 MOA