Originally Posted by
Wayspr
Stay above the minimum total arrow weight and shoot them. Your bow will tell you if it prefers more weight out front.
As long as your total weight is above 350 grains (minimum recommended by Excalibur), you are good-to-go. Your different brands of arrows might have a bit different FOC rating, but this should not be a problem at regular hunting distances. If your point of impact is that close, I would not worry.