On a recurve bow, how much does 20 grains make a difference on tune? I am asking this because I shoot 410 x10s with 120 grains points with good tune. But now that it's indoor time, I need to roll with 100 grain points, as Easton only makes 100 grain points for the X7 aluminums. If I went to 100 grain points, does anybody know which spine arrows I should order? I was thinking of going with 450s.
My draw length of 30 inches, if that helps.