I’m a fan of Winchester, too, and have owned a few Model 70 rifles in my day.
As for the Ruger RSM, here’s an article to do with the rifle:
http://www.morrisonarms.com/2014/09/the-ruger-safari-magnum-rsm-a-tribute-to-an-old-friend/
The reason I messaged is that you’d commented on looking for something 416 Rigby or larger (by the way, the Ruger Safari Magnum comes in 416 Rigby, also, if such is your preference).
As for the Ruger RSM, here’s an article to do with the rifle:
http://www.morrisonarms.com/2014/09/the-ruger-safari-magnum-rsm-a-tribute-to-an-old-friend/
The reason I messaged is that you’d commented on looking for something 416 Rigby or larger (by the way, the Ruger Safari Magnum comes in 416 Rigby, also, if such is your preference).