I am heading to pick up an Xtreme tomorrow and am wondering what will be the best way to get it to 29.5" DL. It currently has the #5 mod in it which is supposed to be 28". I will be calling HCA Monday to order mods but was wondering if an HC 29" mod will give me enough if they run long or will I need a 30" mod and set stops short. This is a used bow and not coming from an HC dealer so he is unable to tell me much about what I may need from HC. Any advice will be appreciated.