I am soon to be getting a 7mm Rem Mag. So not a 100+ grain powder burner. More like 60 odd grains, which is not that much more than I put through my 270 already.
I have a couple of moderators that are 30 cal that I use on my 270.
One being a Ase Utra North Star the other is a Hardy Gen 4.
Neither of which are sold as "Magnum Moderators"
Looking at some old posts on here it seems that a lot of folk use standard moderators on their magnums.
I would rather use one of the mods I already have providing there would be no pitfalls in doing so.
What are other peoples thoughts on this issue?