Cat,
I don't think the hodgdon manual shows the .338 Lapua to it's full potential. I shoot factory .250gr Lapua through mine and it gets 2987fps. The hornady factory stuff was around 2960 fps. I don't know much about the Ultra version. The US military load is in the 2960 range as well.
Just checked the Hodgdon online site and it shows pretty mild 250gr loads in the Lapua, fastest I think is 2879fps and the Ultra was up in the 2960's. Based on the Hodgdon data for the Ultra and my experience with the Lapua it looks like a dead heat.
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