I went with a different approach and had a specific reason for doing so.
Comb Raising Kits | Beartooth Products
I need a high cheek weld. I also plan to permanently modify my HS Precision stock at some point by adding material to the comb, blending it in, and repainting the stock. Soooo... I wanted to experiment with different heights. By following the posted link you'll see this system allows you to play a bit.
I've used this kit for about a year and a half and have found it to be durable, adjustable, and cheap; all of which help me to zero in on final modifications to my rifle stock.
Just my 2 cents