It apparently came in a box of dies, and the buyer has no idea what it is. No markings on it. It looks like the top half of a micrometer seating die, but other than that, does this look familiar to anyone?

Thanks.

It could be Redding or maybe Forster. The ones by Redding I have seen are marked unsure about the Forster.

Whatever it is, it must be older. The bluing on that isn't like anything made these days.

Hornady, by the looks.

Could be, but I have never seen or known of Hornady putting a high luster bluing on anything.

Nope, and Forster micrometer seaters have been fat up top for as long as I can remember.

Hornady bullet seat die micrometer

The e clip doesn't go with it

I have two