I had a PGW TWolf for a couple years. Was a wonderful rifle, stacked 250g Lapua Scenars on top of each other at 300 with a felt recoil impulse less than my win mag. Hits at 1000 were routine and almost boring. It had the McM A5 and big square four-chamber brake. That said, I sold it for two primary reasons:
1). PGW has no distributor in the US; Triggertime Gun Club in CO was the last such distributor but PGW discontinued the relationship some years back. No distributor, no means of OEM level support/service such as when it needs a new barrel. In my mind, it wouldn’t be entirely a PGW rifle if someone else put a barrel on it.
2). I couldn’t get a suppressor made for it and PGW does not sell the can directly to civilians. All of my rifles are suppressed, and I didn’t want to run an end mount when it was designed to take a reflex so that was also a major factor in my decision to sell.
If neither of those are of a concern for you, or you are in Canada then TWolf all the way. It’s truely an iconic, awesome weapon and relatively rare to boot...Please know that the McM is no slouch either and would make an outstanding long range/ELR platform if you decided to go in that direction.