i went to my local archery store today and he asked me how much poundage i was shooting i said 60 lbs and he said i need a 400 arrow (not sure what he was talking about but he pointed some out) and i measured the previous bows ive been shooting from the nock to the end with the field point screwed out it was 29 inches but they will cut the arrows to the right size when you go buy some at a local shop....hope it helps some!
Arrows need to be the correct length and weight for the draw length and poundage of your bow. Broadheads need to be of a size adequate to kill the game you want and adequate grain (weight) to optimize your bow draw weight for arrow speed and kinetic energy to achieve enough shot range and arrow penetration. Here is a good site to read up and educate yourself on arrows: Carbon Arrow University - Basics & Measurement Standards