my wife and I both have Barnett Quad 300 xbows. a few weeks ago I noticed a small (hair like) sliver on one of my limbs.I took a hay string and drug across the limbs and there was one on mine and one on my wife's bows.it was a sliver of fiberglass kinda peeled up.

I took the front off both bows,(the limbs and housing) and sent to Barnett.
11 days later I got both back.they were updated to the new limbs and cams(the quade 400 models).........no charge at all.

I though that was a pretty good warrenty,and turn around time.

just well pleased with my Barnett xbows.

if you have a problem,just call them and they will fix it.