Need to know your tip weight saltflyz. If your using 100 grns your right at the upper limit of the arrow but probably ok. Especially if your shooting great. If your using 125's your underspined. I shot 5575's last year w/ 72# and 28.25" w/ 125. I was underspined and as a result im switching back to 100 grns. Hoping this will tighten my groups and spare me some arrow costs... (I was getting split nock ends and cracks in the shaft). I guess i shoulda changed earlier but the guy at the pro shop set me up and apparently im more a pro than he is. Anyway thanks to this forum i've become a more informed and tech savvy archer. Now im not so dependent on the proshop guys who really arnt pros....Unfortunately the proshop is an hr away from me so i bought 2 doz arrows so my only choice now is to use 100s.

If you stay w/ your arrow weight keep an eye on your shaft if they show sings of fatigue switch to stronger arrows. I'd hate to hear about one exploding into your forearm as you release.