If I go with an a/c/c 3-71 @ 27.5".....4" QS vanes....6" reflective wrap.....100gr muzzy brass weighted insert.....and a 100gr BH (TBD).....I'm getting an arrow in the 515gr. total weight.

Anyone have a program that can estimate arrow speed from a 2008 Bowtech allegiance (smooth mods), 60#'s DW @ 29" DL?

Thanks.