If those are grouping well broadheads and field points I wouldn't change a thing. When I shot A/C/C's my FOC was right where you are at and they flew great. When you need arrows in the future I would...

I seem to always stick with around 12% it gives me the best overall performance for my set ups.
Especially the longer yardages. When I am below 10% I feel my groups aren't as tight down range 60 and...