Great tips everyone.
I think I'll practice alot w/ the mag extension first since I bought this G29 for CCW, primarily. I've heard about the rubber and grit style grip add-ons causing the ol' shirt-lift reveal. I don't want any of that...even in FL ;-)
This is my fav firearms forum. My apologies to the OP for hijacking your post.
Armalite M15/YHM 20" 5.56