Blackpowder Products Weaver Style Durasight Z-2 Alloy Scope Bases for Modern Rifles and Fits Savage 110/112, Savage 110 Rifles with Round Rear Receivers Durasight Z-2 Alloy Scope Bases for Modern Rifles (Weaver Style) - Black Fits Savage 110/112, Savage 110 Rifles with Round Rear Receivers