ORIGINAL: bigbulls
None.
Remember that 5 grains per pound is the bare minimum that you should be shooting. I prefer to have an arrow that weighs 7 or 8 grains per pound. Not only will it be easier on your bow it will also make your bow much much quieter with a heavier arow.
X2....Very well put Bulls....I have shot very close to 5gr when shooting the 3D circuit purely for speed, you take that same bow and put a heavy hunting shaft on it and it is so much quieter and less recoil...