Mould Alloy

Topics concerning individual handgun & rifle bullet designs, buckshot, and shotgun slugs.

Mould Alloy

Postby Green Frog » 23 Aug 2021 13:30

No, I’m not talking about the alloy that goes into the mould, rather I’m curious about the alloy from which the moulds are made. Rumor has it that at one time a higher grade of aluminum was used to make the multi cavity moulds and a lesser grade for the basic 2 cavity moulds. At some later time, the alloy for the 2 cavity moulds was upgraded to be equal to their multi-cavity siblings.

First, is this information accurate, and second, if it is accurate, when did the upgrade occur? Any and all accurate input will be gratefully received.

Froggie
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