Burris XTR Signature Rings Height 1.5 Inch Tube 30mm Matte Black

Unique self-centering dual steel clamps with full cross-through connection assure proper center on any width Picatinny rail while adding extra strength. Revolutionary Pos-Align Inserts technology in a tactical ring configuration. Pos-Align Inserts guarantee perfect centering and maximum scope-to-ring contact without damaging the scope finish. Lets you virtually sight in your gun without moving the scope adjustments. Corrects misalignment caused by off-center receiver holes. Corrects for bases or rings being slightly off-center. No need for tapered bases or shimming for thousand-yard shooting. Mounts on any Weaver or Picatinny-style rail.