Yesterday, I ran 286 NPs through my T3 (9.3 X 62). It was a cold day using RL-17 at an avg. of 2560 fps/4161 ft-lbs.
Yes, a .375 H&H will likely get 2600 - 2650 fps from a 300gr AND a 24" barrel... but perhaps not from a 22".
Either way, I think any one is about as good as the others. I told a friend who was looking hard at the Sako "Bear" 9.3 X 66 that at nearly $1500 he may want to reconsider and get a X 62 which would do exactly the same thing at a lot less $$.
Bob
www.bigbores.ca 
