Alot depends on the speed we are talking about and the distance. I drop about 18 fps when I switch to my hunting arrows, same diamter, same tune. I have pins for 20,30,40,50. 20 and 30 are still dead on perfect, 50 is about 4 inches low, 40 is noticeable but not by much.

speeds are 270 and 252.

--Bob