I am running 13.1% on my arrows but a gal in our club , her dad set hers up for 16% FOC for outdoors. Gives her a lot of stability especially if she is shooting in a side wind. Also she is a world class shooter and has around 10 worlds records and 130 some national records since she has been shooting. And she is just 18 years old so I would say her dad is setting up her equipment well.