Either arrow will be fine for 3D. Ideally target archers like to have thier setups between 7 and 10% FOC. Either of those will work fine.
Since there is only a .8% difference between the two, you will not notice much, if any difference in the two arrows.
PSE Field Staff, Tru-Ball Releases, HIPS Targets Pro Staff, Any Budget Outdoors Pro Staff,
Rage Broadheads Pro Staff, On Target2 Shooting Staff