Mike: Was sure I'd seen this before, but Googled to confirm. Lee Precision makes reloading dies for .43 Mauser. Should be able to order them just about anywhere. Higginson is likely your best source. You should be also able to order them factory direct. Ellwood Epps also lists reloading supplies for 43 Mauser...brass is listed. Can likely order dies through Epps, as well.