Any idea how old it was when it was purchased used?
Send it in to us, to the address here: http://www.deadlywind.com/contact
and be sure to include a note with a quick description of the issue and your return address.
If we can determine that the id surface clouding is due to a defect in the layup of that barrel, we will replace it for free. Otherwise, we will get back in contact with you about what other options we can do for you.