I wouldn't know, think they are cold formed from precision lead alloy wire I've only made them with the casting process with an LEM mould in the 80's...
Makes you wonder with modern technology that such dies cant be remade, it seems they still have the machinery as they are still making pellets, just...
Admitedly this pondering comes after 2 Dragon Soups and a round of medication (yes I know not the best but can't be without the meds and I very very...