i just bought 2 sets of teague extended ..teague perazzi 12 ga 18.4 for steel shot there are four chokes ..1-i/c,1- l mod,1-m,1-full the second set extended..1-skeet,1-l mod,1-m,li mod,mod for sheet shot all new ,[shinny] but i have a mx-3 18.4 [1984] they will not go into my barrel what do i have ,what model perazzi will they fit i thank you
