The LT112 QD scope mount is designed for users with monolithic uppers who require 20 MOA for added elevation. Set at a height of 1.53 inches , it provides optimal alignment. The LT112 includes spare mounting screws, a QD adjustment wrench and comprehensive instructions for easy installation. The Larue Tactical In-Line QD scope mount delivers precise alignment and secure 30mm scope mounting Integrated 20 MOA cant in the mount allows for extended long-range shooting adjustments