These new Burris XTR Signature Rings were designed for the tactical shooter. They deliver plenty of holding power, with less weight & allow the shooter to add between 5 – 40 MOA of customizable cant to their scope with no lapping required

• Burris XTR Signature Rings are Unique, self-centring, dual steel clamps with full cross-through connection assure proper centre on any width Picatinny rail while adding extra strength
•  Revolutionary Pos-Align® Inserts technology, in a tactical ring configuration
• Pos-Align Inserts guarantee perfect centring and maximum scope-to-ring contact for tremendous gripping power without damaging the scope finish
• Lets you virtually sight in your gun without moving the scope adjustments
• Corrects misalignment caused by off-centre receiver holes
• Hard aluminium construction with solid steel weaver locking bases 
• Corrects for bases or rings being slightly off-centre
• Wide 6 screw locking design
• No need for expensive tapered bases or shimming for thousand-yard shooting
• Rugged, robust aluminium tactical rings save weight and mount on any Weaver or Picatinny-style rail

Each ring set of the Burris XTR Signature Rings include two sets of +/-20MOA inserts and one set each of the following offset inserts: +/-5 MOA, +/-10 MOA, +/-0 MOA

• Height: 1.25 in. 
• Size: 30mm
• Medium: 16.75mm from underside of ring to where the ring would attach to the rail