Originally Posted by spacemonkey
Dremel 60 grit drums for the initial removal and 120 to finish it up with some fine grit steel wool. A note of caution, if you have an extended mag release be careful not to remove too much material that your hand rides up so high as to interfere with it. Just take it slow, and keep checking your hand fit.
I have done this to every Glock I have. Guess my fat fingers just need the extra room. Sure does make it more comfortable to shoot. Fine tuning I just wrap sandpaper around a highlighter and slowly sand where needed.