the heads MAY be illegal.....pull out your book and read....i remember something like "head must be in the same plane(whatever that means) and have atleast 2 cutting edges......." i cant recall and dont feel like getting on their sight...my pc been acting wierd and their sight is mostly adobe reader...sure crash for me right now till i get this bug out.....got the new book but its in the truck...i definintly dont think id shoot a deer with them arrows....sure back in the day it was the arrow and head of choice...but not anymore! are they even straight enough to fly true?? ive used alot of dowelrods and have never had one that was straight...not sure how hard limestone is but maybe consider flint for the heads...i think thats what was preferable in the proper time..though i could be wrong...neat idea and all....but i think you can do better...ATLEAST with the shaft selection...i dont know if a dowel rod would be safe or smart...