375 Plus

curt672

AH veteran
Joined
Jul 23, 2025
Messages
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Location
Wa. state
Hunted
United States, Canada, AFRICA, Alaska
Not sure why, but I feel Under-gunned with my 375 H&H. thinking of rechambering to a 375 Weatherby or 375 RUM -- lets hear your thoughts or experiences on this. Thanks
 
Agreed with the above. Has it failed? Thats the question. Good luck in your search. Personally, I don't think the Weatherby is the answer.
 
I realize this happens very few times, but what if you land in Africa with a 378Wby or a 375 RUM and your checked bag which contains your ammo does not show up. This has happened to me 2 times. At that moment you'll wish you had a 375H&H. I certainly do not mean to say there is anything wrong with your other 2 choices, I'm just pointing out one of the obvious reasons to stick with 375H&H.
 
There is absolutely nothing wrong with a 375 H&H. But if you feel like you must change it, go with the Weatherby. As already mentioned, you can shoot H&H ammo in it. I have a PH buddy who has a 375 Weatherby and he told me just last week that he shoots a lot of H&H ammo through it and it works well.
 
The Improved .375’s can exceed 5100 ft-lbs of muzzle energy putting the .375 caliber in class with heavy dangerous game big bores. At approximately 250 fps to 300 fps increased velocity over the great H&H trajectory is nice and flat for plains game or mountain hunting for that matter. In particular the .375 Weatherby chambers .375 H&H making it extremely versatile. I think the .375 Weatherby makes an argument for the finest one rifle battery in the world.
 
Not sure why, but I feel Under-gunned with my 375 H&H. thinking of rechambering to a 375 Weatherby or 375 RUM -- lets hear your thoughts or experiences on this. Thanks
Except for body shots on bull elephants, you have absolutely nothing to worry about. Okay, I sometimes FEEL undergunned when using a .375 Holland & Holland Magnum to hunt hippopotamus in the sugar cane fields at night. But to it’s credit, the .375 Holland & Holland Magnum has accounted for 95% of all my hippopotamuses so far.

My resume with the .375 Holland & Holland Magnum so far.
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Note: This elephant had to be finished off by my white hunter’s .505 Gibbs, but that’s only because the ammunition I was using (300Gr copper jacketed round nosed FMJ Prvi Partizan solids) was faulty (with very poorly constructed bullets)
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Keep the H&H. Ammo for the RUM and WBY are harder to find and probably more expensive.
 
Personally if I felt under gunned with a 375 H&H I wouldn't replace it with another caliber that started with a 3. Might as well move up to a 416 Rigby or 404 Jeffery. More power and recoil will be no worse than the Weatherby. As mentioned by others here the ammo would be much easier to locate in Africa if needed.
 
Try getting ahold of 350 grain Woodleigh softs or experiment with Cutting Edge cup point soft bullets. Should give you a different experience beyond the typical 300 grain softs in 375 H&H.

We want what we want though, next logical step up is probably 404J
 
Considering the concerns about ammo availability etc., and your desire for more energy, why not sell it and buy a .416 Rem Mag? Ammo is more common, and probably easier to shoot, than the .378.
 
Not sure why, but I feel Under-gunned with my 375 H&H. thinking of rechambering to a 375 Weatherby or 375 RUM -- lets hear your thoughts or experiences on this. Thanks

It's a religious debate that you're bringing up on this topic. You've made a thread that implies a belief in Roy Weatherby's "Speed Kills" philosphy. To be more hyperbolic for sake of example, if there was a 375 that went 4000fps, your view would be that is even more better better.

On the other side of this religious war is "large diameter bullets moving at moderate speed have greater hang time in the animal and in heavy for caliber configurations they do more damage". If you read Pondoro Taylor or look at any of the classic magnum calibers, they adhere to this concept of big bullets at 2150fps. (450NE, 470NE, 500NE, etc.)

I'm in the latter group. I don't think you're going to make a 375HH better by making it shorter, longer, or faster. It's the best at what it does as a caliber and cartridge as it is.

While a 375Wby or 378Wby looks better on paper than say the fairly lethargic 404J and 450/400, the 40 cal options just have a better reputation on Buffalo than any 375 of any speed.

Bottom line, you need to make a bigger hole with a heavier bullet, not shoot a small bullet faster.
 

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