I bought mine on e-bay.......a fellow has one on Gunbroker he is right proud of......my advice (.02C) worth is try and buy a iron/steel one from lyman.......Thompson use to market a lyman one under the Thompson name.....they also use to market 'their' aluminum ones which don't wear as well as the other......of course you have to ask yourself, how many Maxi ball am I going to shoot?.......john........
