SC338I'm building a 25-284 and am after Lapua brass for it so I hear ya.
Let us know how the build is going. Jill and I are going to build a 6.5x284 and 25x284 as soon as mu neck feels better. we have most of the components for the builds already.
This 6.5x284 Lapua Brass is going to get harder to get as time goes on.
Surprised these two boxes lasted for sale as long as they did.