Burris XTR Signature 30mm Aluminum 2-Piece Scope Ring, Matte Black - 420221

New XTR signature rings were designed for the tactical shooter. They deliver plenty of holding power, with less weight. Features: 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 for tremendous gripping power without damaging the scope