Re: 7mm pack rifle
I have that same rifle and it is a consistent 5/8" MOA Rifle. For a carry rifle it is perfect for me. I would recommend any one of three bullets. 140 - 150 grain Barnes TTSX, 150 Swift Scirrocco, 160 Nosler Accubond. All three of these are bad medicine in the 7mm Rem Mag. Make sure you buy it in the wood stock and you float the barrel. I have 5 Ruger M77's. Not a single one would shoot under MOA until I floated their barrels. Now they all shoot under .75" consistently. This will be a good setup for you.
If you always do what you've always done, you will always get what you've always got.