I use carbon fibre arrow shafts. I glue in wooden dowel in the ends and drill for 2-56 threaded rod which I CA in. Haven't had one fail yet. Looks trick, is light and strong - I shoot archery and between me occassionally breaking an arrow (shatter the tip hitting rocks - yah, I know, you're supposed to hit the target) and picking other peoples damaged arrows out of the trash at the end of tournaments I have plenty! Check out indoor archery ranges - sometimes you'll be able to scrounge broken arrows there too...