I get the largest Limbsaver and then DO NOT grind to fit stock butt.
The more area against the shoulder the lower the local force on the flesh.
I have been covering the reveal with an Eagle Industries Shooter's Stock Pack Rifle 350002
Eagle Industries*::*Pouches*::*Misc Pouches*::*Shooter's Stock Pack Rifle
With a 7mmRemMag 162 gr bullet 3050 fps from a rifle that weighs 9 pounds including scope and sling, there is no pain, just a big push.
With a 338WM 250 gr bullet 2600 fps from a 9.25 pound rifle including scope and sling, there is not pain, just a big push.