in regards to the specs on bows, ie- 54#@28"
is this the amo draw or the draw to the belly of the grip?
Clint,
I believe that most markings are AMO.
From the AMO Standard Manual
QuoteAMO DRAW LENGTH STANDARD
For Manufacturers
Draw length is a specified distance, or the distance at the archer's full draw, from the nocking point on the string to the pivot point of the bow grip (or the theoretical vertical projection of a tangency line to the pivot point parallel to the string) plus 1 3/4". Draw length from pivot point shall be designed at DLPP and shall be called TRUE DRAW LENGTH.
EXAMPLE: 26 1/4" DLPP plus 1 3/4" is the equivalent of 28" draw.
For Dealers and General Use
For practical reasons not requiring precise terms, draw length is the distance, at the archer's full draw, from the nocking point on the string to the back of the bow at the arrow rest.
EXPLANATION: The standard Manufacturers is consistent with the Bow Weight Standard as related to the pivot point. The DLPP plus 1 3/4" is compatible to previous concepts of draw length. (See handle illustration.) Draw length
for Dealers and General Use relieves the burden of preciseness not required for general use and facilitates determining arrow length. THIS STANDARD SUPERSEDES THE PREVIOUS STANDARD