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

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

  1. BWH

    BWH AH ENABLER AH Legend

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    I have always heard that you cannot overspin or twist a bullet..... Especially, larger ones. I have heard that some super light rounds can get flighty or finicky. However, now you talking about little rounds, screaming out 4000+Fps and rates of twist around 1:7 vs. 1:9.
     

  2. Grady

    Grady AH Enthusiast

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    Thanks for the point out to the formula's. That is some pretty good info and I have spent some time playing around with the sites.

    For example, the recent blemished .375 Round nose bullets from Midway that were mentioned on this site previously give the following info:
    Length - 1.127
    Dia - .375
    Vel - 2750...You have to go with 2900 to change the twist to 24
    SG - 10.9 to 11.9
    Twist - 23...with a 8.9 SG the twist is 21
     

  3. BWH

    BWH AH ENABLER AH Legend

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    Yeah.... Me too. The quickest twist I was able to come up with for my 375 h&h equation was about 1:16 & 1:14.... The Barnes tsx bullet is longer than the AFrame, so it could/needed turn faster. Either way, rifle is 1:12.... So it really didn't make a damn. But interesting nevertheless.
     

  4. Mekaniks

    Mekaniks GOLD SUPPORTER AH Elite

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    When I decided to have a custom 338 federal built, I spent hours/days researching and measuring bullets applying this "optimum twist" formula. When I settled on the bullet I wanted to use, but not knowing what to expect, I took my rifle action to the gunsmith and asked him to install a 1:10 twist barrel. He looked at me and shrugged his shoulders and said "yep 1:10 is standard for this caliber". Funny how things work out when you do the research... And as it has turned out to be most accurate rifle I have ever owned.
     
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  5. shuter

    shuter AH Enthusiast

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    Help...my thread's been hijacked!:)
     

  6. BWH

    BWH AH ENABLER AH Legend

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    Yeah.... That happens.... Sorry.... Rabbit trail

    Circle back.

    I'm in your boat too. Depending upon your quarry..... Look at 235, 250, 270 & 300 gr.

    I know... With 375s it can get expensive. But once you find your pet load, you'll be married to it. Cheap investment in long run. Just my 2 cents. Stay with premium loads.... TSX, AFrame..... All good
     

  7. Mekaniks

    Mekaniks GOLD SUPPORTER AH Elite

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    Yeah, sorry about that.... Back to .375 bullets.
     

  8. benchracer

    benchracer AH Member

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    I am assuming that you are asking for bullet recommendations for plains game, rather than dangerous game. If you are trying to come up with a one bullet solution for both, that changes the equation a bit. Like most of the "classic" safari chamberings, the .375 H&H doesn't generate enough velocity to need premium bullets. Heavy for caliber soft points will work just fine and have done so for a very long time. Load a 300 grain soft point to between 2550 and 2600 fps and go hunting. My personal favorite is the Sierra 300 grain Gameking. If you just have to have a premium bullet, go with a Partition or Accubond of the same weight.

    Another very good option is the 250 grain Barnes TTSX. Load it to 2850 fps or so and take it hunting. My favorite powder for both the 300 grain Sierra and the 250 grain TTSX is RL-17.

    If I were planning to take PG and DG on the same safari, I would load the Barnes 300 grain TSX to between 2550 and 2600 and use it for everything.
     

  9. shuter

    shuter AH Enthusiast

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    Just joking. I appreciate your input!
     

  10. shuter

    shuter AH Enthusiast

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    Excellent info! I guess I was asking about one bullet for both; and you're right, the 300 grain TSX would fill that bill perhaps better than most. Then again, for hunting elk here in the U.S., or for a strictly PG safari, I really want to try that 250 grain TTSX. Can't imagine it wouldn't work fine on a buffalo, backed up by solids either, perhaps?

    Interesting that you mention RL-17...seems everything I've read points to RL-15 instead for the .375. I will check it out further.

    Really appreciate the input!
     

  11. benchracer

    benchracer AH Member

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    The .375 H&H does its best work with powders in the H4350 burn rate range and bullets up to 300 grains. The problem with that is lack of sufficient case volume if you are keeping to SAAMI length of 3.6" with a 300 grain bullet. RL-17 isn't as bulky as H4350, so it solves that dilemma quite nicely.
     

  12. colorado

    colorado AH Fanatic

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    +1 except it would be the 300g A-Frame ... :)
     

  13. jeffpg

    jeffpg AH Enthusiast

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    300 grain Swift A-Frame for the big tuff stuff, and
    270 grain Nosler Accubond for most everything else.
     

  14. JTEX

    JTEX AH Veteran

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    A 270 Grain Barns X will do it all and do it well.

    .
     

  15. Mannlicher

    Mannlicher AH Veteran

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    260 grains AB are enough.......

    Mannlicher
     

  16. shuter

    shuter AH Enthusiast

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    DG too (Buff, Hippo), or PG only, in your opinion?
     

  17. jeffpg

    jeffpg AH Enthusiast

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    I have no doubt at all about that, I just still haven't really completely warmed up to the Barnes bullets.

    I did very successfully use 180 grain TSX hand loads in a borrowed 300 Win Mag on about a dozen plains game animals in Namibia recently. The bullet performed flawlessly for me and I have zero complaints about it at all.

    On the other hand, just before that hunt I shot a few critters including Cape buffalo in South Africa with a borrowed 375 H&H stoked with 300 grain Nosler Partition factory ammo and I just somehow felt a better connection with that more traditional bullet. Of course, if I would have had my goodies with me the Swift A-Frames would have bit the buffalo but I was far from home without my own arms.

    I guess I'm just kinda old school when it comes to bullets.
     

  18. Ridge Top Ranch

    Ridge Top Ranch AH Enthusiast

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    I am going to try Double Tap 235 grain Barnes TSX in my Model 70 for plains game and lion. Really like the flat trajectory out to 300 yards. Has anyone shot this round before?
     

  19. PHOENIX PHIL

    PHOENIX PHIL AH ENABLER AH Ambassador

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    I worked up a load for the 250 TTSX, good for 2900 fps if I remember correctly. Might be a better choice with the better BC.
     

  20. jeffpg

    jeffpg AH Enthusiast

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    I have never shot any Double Tap ammo before. I had intended to try it in several calibers because I liked their published velocities, but after reading some reviews and talking to some guys it appears that the high velocities they claim are inflated.
    I haven't verified that, but I saw too much evidence of it to ignore it.
     

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