What is your specific bow set-up??? You may not be shooting the "right" arrow anyhow. If that is the right arrow, anything in a .400 spine should be okay.
Want something relatively inexpensive and very consistent, check out these...
http://www.cabelas.com/cabelas/en/te...233&hasJS=true
I've been shooting them for about 5 yrs, been through a few dozen, but 15 of those arrows were "Robinhooded!!!" I only left one set, the first together, the rest were all pulled apart. But for $50/dozen raw shafts, you'll be hard pressed to find a better arrow, plus these are
AMERICAN MADE!!!