I use Lapua in anything they make it for. Its sometimes is slightly lower in capacity but usually not enough difference to make a significant difference just a slight tweak in powder charge.
The reason I use Lapua is not for accuracy but rather for ES. I've found that most brass will shoot good groups but neck thickness consistency and neck tension seems to be the biggest factor. My Lapua brass is much more consistent in this measurement. I also dont want to neck turn and actually do zero prep on virgin Lapua brass to usually sub 10fps ES and sub moa groups (2x 308, 2x 7mm08, 1x 6.5x47). (I also anneal every loading as this helps keep consistent neck tension also).
It is also harder and I dont have to worry about growing primer pockets like I did with Norma and my Rem Mag.
I've always looked at chamberings that have a premium brass option favorably being ADG, Lapua, Peterson (have just picked up some 280AI brass to try).
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