Hi Jeff,
David Hodges is having initial success, using a case with similar capacity to yours. He won at least one match in July (our last matches).
I don't know exactly what, if anything, he is doing to/with them -- David is a machinist par excellant, and has been known to make & install tips, but I don't think he did that with the Hornadys
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Have you tried the Berger 30-caliber, 185-grain Hybrid? I'm having initial success with the 300 grain Hybrid in .338.