WHICH VX5HD? The 1-5x24 to the 7-35x56? Also have a 2-10x42, 3-15x44, 3-15x56 & 4-20x52 in there for different objective sizes.
Also have some with 30mm tubes, and some with 34mm tubes.
What rifle/barrel contour?
Need the info to give an educated answer.
If you want a cover all answer....get 1.25" high rings.