Best .375 H&H bullet weight? And Best bullet in that weight?

Discussion in '.375 & Up' started by shuter, Dec 20, 2014.

  1. shuter

    shuter AH Enthusiast

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    Gents, with my new M70 Safari Express .375 H&H setup, I'm looking to dial it in with a single handload. I like the idea of a fast Barnes 250 grain TTSX and I'm sure it would do about anything that needs doing. But I also like the .375/300 grain combo, with the sectional density that comes with it. In 300 grain, I know if the TSX, A-Frame, and Partition, as far as "premium" bullets are concerned.

    Thoughts on this? Thanks in advance!
     

  2. bassasdaindia

    bassasdaindia AH Elite

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    I find the 270g very versatile
     
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  3. shuter

    shuter AH Enthusiast

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    Thanks. Which bullet in 270 grain?
     

  4. bassasdaindia

    bassasdaindia AH Elite

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    I am very fond of 2 bullets :

    swift A frame
    Barnes TSX or TTSX
     
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  5. Timt

    Timt AH Veteran

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    I personally like a 270 or 300gr bullet in the 375.
    Current favourites are 270gr a-frame and tsx.

    And in the 300gr the a-frame or northfork or even a Norma oryx.
     
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  6. TokkieM

    TokkieM AH Fanatic

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    Hard to beat a A-Frame for penetration and weight retention.
     
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  7. Witold Krzyżanowski

    Witold Krzyżanowski AH ENABLER AH Legend

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    I like and I use a Norma Oryx.
     

  8. PHOENIX PHIL

    PHOENIX PHIL AH ENABLER AH Ambassador

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    250-270gr for PG. 250 will generally be faster than the 270 by enough to overcome the lesser BC. But not always. Using a chrono here to decide is very useful.

    300gr for PG at closer distances and for DG.

    Which bullet? Whichever of the high weight retaining bullets that shoots the most accurately in your rifle. For my M70, the best choice in the lighter weight bullets was the North Fork. In the 300gr, it's a dead heat between the A-Frame and North Fork. TSX/TTSX are every bit as accurate but as mentioned previously, they like to drop copper in my barrel.
     
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  9. colorado

    colorado AH Fanatic

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    For factory ammo, I don't think you can beat the Remington Safari Grade 375 H&H ammunition loaded with 300g Swift A-Frames. The 300g A-Frame is a great bullet in my opinion.
     
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  10. BRICKBURN

    BRICKBURN AH ENABLER SUPER MODERATOR CONTRIBUTOR LIFETIME TITANIUM BENEFACTOR AH Ambassador

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    Agree with Phil.

    I'm using the 250 grain TTSX.
    I'm not done with all my development yet, but I'm satisfied for now.
     

  11. Mekaniks

    Mekaniks GOLD SUPPORTER AH Elite

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    So if you want to have some fun... Every bullet has an "optimum twist rate". To find that "optimum twist" take the bullet dia times bullet dia times 150 and divide by bullet length. The result will be the optimum twist rate for that bullet in inches. (dia x dia x 150 divided by length=twist). Once you do that math, then compare the outcome to the twist rate of your rifle. And then see how that bullet shoots in your gun. Obviously there are many other factors that can effect accuracy but this is a good place to start. And only as a place to start since it has nothing to do with bullet composition or other factors that you may be looking for in a bullet. Happy Shooting :W Gun:
     

  12. shuter

    shuter AH Enthusiast

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    Good stuff guys! Thanks much for taking the time to respond.
     

  13. Pondoro

    Pondoro AH Fanatic

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    On plainsgame I have tried 250gr trophy bonded, 270gr rem. core-locked, 260gr nosler accubond and 235gr barnes X.

    The two latter are by far the best, that said the standard 270gr rem. does a good job also, I am positively surprised by this old bullet.....so is there really a need for premium bullet on plains game..??

    I would use premium bullets on big animals like eland but after shooting some 12 oryx and 10 blue wildebeest they seem to go down with conventional bullets as well...just my 2 cents..
     

  14. bassasdaindia

    bassasdaindia AH Elite

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    stick to premium bullets , develop a load that works the best in your rifle,that way your rifle is always set up correctly and ready for your hunt.

    Saving cents and risking not using premium bullets is foolish IMHO , loosing an animal in the bush because of cheaper bullets is irresponsible , once again IMHO.

    just my 2cents
     

  15. Grady

    Grady AH Enthusiast

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    I had never heard of the optimum twist rate formula...but it does sound interesting....Do you have anymore info on where it came from?
     

  16. PHOENIX PHIL

    PHOENIX PHIL AH ENABLER AH Ambassador

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    So if you do the calculation and the optimum twist rate comes out somewhere around 1:9 and you have a twist rate in the rifle of choice of 1:12, I would take that to mean this bullet will likely not stabilize very well. The rifle just isn't spinning the bullet quick enough.

    Going the opposite direction, can a bullet be spun too quickly?
     

  17. colorado

    colorado AH Fanatic

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    The 350g Woodleigh Protected Points stabilize fine in our 1 in 12" twist 375 H&H, but I prefer the 300g A-Frames :)
     

  18. Mekaniks

    Mekaniks GOLD SUPPORTER AH Elite

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    It is the Greenhill Formula. I originally got it from an article in the Washington Arms collector magazine by Lewis Braun. Here is the wiki link for the Greenhill Formula.
    http://en.m.wikipedia.org/wiki/Alfred_George_Greenhill
     
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  19. colorado

    colorado AH Fanatic

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    Thanks! Never too late to learn. I found a calculator online that uses the formula (I built a quick spreadsheet but this is so much easier to use). Results are kind of startling. It seems like we tend to "overtwist" our bullets.

    http://kwk.us/twist.html
     
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  20. Pondoro

    Pondoro AH Fanatic

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    Well, my point is that "cheap" bullets not neccesarily makes you loose an animal...some of them actually have adequate performance on PG..

    On DG it is of course premium bullets all the way..
     

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