Quote Originally Posted by deserthuntr View Post
IBO and ATA are not the same anymore. IBO can be up to 82# as long as the arrow stays 5 grains per pound, and if I'm not mistaken the draw can go up to 31". If the Onza meets IBO, then why is my Maxxis so much faster when it is rated only 321fps ATA? Is Martin IBO ratings or ATA? (ATA is still 70#, 30" draw with a 350gr arrow)
ATA = Axel to Axel