I spent quite a bit of time looking at various arrows, point weights, and fletching options on my On Target! software for a heavier arrow that's properly spined. The only realistic option I have, it seems, are aluminum arrows. The carbon options are way too stiff, at least according to the program. My issue is which aluminum size to choose. I'm trying to get 380-440grains total weight with a 25" shaft (will go 26" if need be) and 125 grain tips and 4" feather fletch. My setup is 52lbs (56lb bow was sold), 25" drawlength, Parker Buckshot is the bow, and will probably use 2 bladed Magnus Stingers or Steelforce. Thanks in advance