AFAIK, only Hornady had a program giving away 500 free bullets with the purchase of a progressive press, so I would assume these are Hornady part number 40000, the only one I see that fits the description. Very odd of Hornady to have that kind of packaging error.
If they were extra bullets and I got the full 500 of the ones I asked for, I wouldn't sweat it, but I'd still let Hornady know that it happened so they can figure out how. Helping their QC to be better helps all of us who use their products.
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