would a heavier point solve the problem?
I seriously doubt it , but its a chance , and alot cheaper than a dozen arrows , so give it a try .
The problem is that when you buy dozen carbon shafts , they are not consistant to each other in spine . When you buy a dozen alluminum shafts they closely resemble each other , and will hit the same hole usealy if you do your part , and they match your equipment . There is one carbon shaft I think is good , but its actualy an alluminum shaft wraped in carbon , an acc .