You lucky, clever man! This rifle and calibre is on my wish list. There have been times I've whacked a big boar with my 270 or 30-06, with no apparent effect - at first. I think a M98 Magnum, in 375 or 416 would change this. :-) 375 would be more versatile I think. Please let us know all about this new rifle when you get it. It's a fantastic action. I've had ex-military model 98s before, along with a Swedish Mauser in 6.5x55. They certainly whet the appetite.
Well done you!
Regards, Rick.