Mec Plus-2-inch Adapter for Optimum Series Mag

Replacement set of hollow butt-plate and inner base to further raise the capacity of the following Mec-Gar magazines: MGPB9218AFC, MGPB9613AFC, MGCZ7517AFC, MGCZ4012AFC, MGP22618AFC, MGP2264013AFC, MGPT9218AFC and MGPT4013AFC. Plus-2 Adapter will not work