I am with Buck Magnet on this one my shorter ATA seem more stable and my groups have improved to boot. I think he is right the need to have good form is paramount with the smaller ATA bow, so I pay particular attention to my form. Also maybe the smaller, lighter feel, makes for less fatigue...that is a guess but I know I can' t shoot a longer ATA worth a hoot anymore...just to use to small and compact I guess.