I was genuinely curious if it was possible. And if it was I would load it. But I don't think going over max is safe.
Yes I agree about the 280 or 7mm mag
I have one pound of hodgdon superformance what loads work for 120 ttsx and 150 cx I have not seen any loads for lighter pills. Will it work and how many grains? I'm starting reloading. I will be reloading 708 and 308.