STD rings are engineered to match up with STD 1-Piece and STD 2-Piece Bases. Although different ring heights are offered, most hunters and shooters wisely opt for rings that position the scope as low as possible.
Warranty: Full lifetime guarantee. If any product has defects in materials or workmanship, Leupold will, at their option, repair or replace it free. Even if you are not the original owner.