Here's a listing of shotgun clubs in your state:
http://www.claytargetsonline.com/list.php/OK
See if one or two are close and go there asking or at least put up a want to buy notice on their bulletin board
Pap Charlie's is another good place, but he is a snowbird and won't be back in FL for a while yet IIRC, but an email should tell you:
https://sites.google.com/site/papcharlieshulls/