Sounds like a good option.
As many have said, a 7mmRM doesn't need a brake or suppressor and if your Winchester is a shooter, go for it.
Out of interest what is the barrel length of your mod 70?
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21.5"
21.5" of tank haha
I call bullshit on the speeds ya getting 168's @ 3050 out'a a 21" Phurrrfffttt
And as for winge'n about "Oh it's to heavy" grow some mussels ya big girl fym
186 grain vlds phil get it right ;)