To me the MkV is a faster cycling action than the 90* Vanguard. I'm not sure how important that may be in a bolt gun, just my observations.
I only have one MkV and it wears a #2, 24" 7RM Brux.
My only Wby round is a .240 in an HS Precision SPL with Hunters Edge stock.
Go figure.
DF
