Having recently completed a fantastic Warmoth/USACG 51 P build (my 1st) I am considering trying my hand at a 5 string now. I know the physics come into play differently in a good B string. I'd like to hear from those who have built a parts 5'ver using these sources and gauge your satisfaction with it. I used a Warmoth body and USAGC neck on my 51 and they fit like a glove. Did I get lucky here? Or are these specs so universal as to not be an issue?