It will be very close. The high, 30mm mount measures 1.17" from the bottom of the mount where it meets the action to the center split of the rings. If the rifle scope you have has an outside objective diameter larger than 2.34" then it is going to be a toss up whether or not it will fit. If the outside diameter is less than 2.34" than it should fit.
as long as the object FRONT is not larger than 2.6" you will be fine but the lens cover will be tight