Still say I don't believe it...
101grs RL22 - 260gr Accubonds only gives me 2940fps average velocity in my 26" barreled 375RUM unless your rifle has a 30" + barrel the smaller capacity of the 375H&H Improved will not produce those velocities.
103grs - RL 22 was an average of 3020fps and the top velocity I have ever recorded was 3054fps...
Just did a little checking on Noslers site they are now making 378 Weatherby ammo with 260gr Accubonds here is there little write up.
378 Weatherby
260gr AccuBond®
Part #37042
Velocity: 3100 fps
378 WBY 260gr Spitzer
Nope there is absolutely no way...
Really don't care whether you believe it or not, you can call me a liar if you want because I know its fact....I showed the chronograph print-out to a co-worker at Hub Sports when I worked there and it was good enough for him.
Several times when we were at Ridgedale or Mission with the rifle and that particular load other people were witness.
As for your rifle, I can't help what it does or doesn't do, we went up to 98.5 gr RL22, but accuracy went out the window.
Regarding the 378 Weatherby load you posted, I think my Brother's 378 is pushing the same bullet somewhat faster with a safe handload.



















































