he base platform is constructed of T6 6061 hard coated black anodized aluminum with 2 steel locating clamp pads. The rings are also constructed of T6 6061 hard coat black anodized aluminum with 4 torx top screws. Ring height from the bottom of the rings to the top of the platform is .239 inches. The base platform is just over 7 inches in length and has an elevation of .6 inches off the receiver.  The ring overall height from the base of the scope to the top of the receiver is .839" or 1.430" from scope centerline to top of receiver.