.370 Sako

http://archives.gunsandammo.com/content/tough-enough

9.3x66 = 370 sako, federal loads for it...not sure who else? essentially a 30-06 necked up to 9.3 or .375?

a 286-grain bullet at 2,550 fps

sounds like the lil brother to the 375H&H, could be a great lighter recoiling 375 for alaska/the really big bears.