Lyman slug alloy?

[farmbif]

I have a bunch of very old Lyman 20 gauge slugs. that are in clear plastic hanging rack containers.
does anyone know what alloy Lyman used to cast these things


hate auto correct
I can't change the lyme to Lyman

[Rcmaveric]

Slugs are typically pure lead.

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[Minerat]

I kind of like "lyme" but fixed it for you. Lol