For newbies and oldsters, I'd recommend they look at the powder companies reloading data on the internet. Save you a little money. Rather than buying a manual for every bullet company.

And keep within the recommended ranges, and work up toward the max. Perhaps not even getting to max. I find all my accurate loads are less than max.

Finally, if you want a magnum in a 7mm cartridge, buy a magnum rifle. Don't try it on the back of regular rifle cartridges.