The Maxiball always shot better than the Maxihunter for me. May have been using too much powder for the Maxihunter, but since the Maxiballs shot so well with 100 gr., I never really tried to get the Maxihunters to shoot accurately.

Check ebay - http://www.ebay.com/itm/Thompson-Cen...3#ht_44wt_1399