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Thread: Reduced .375 H&H loads

  1. #21
    Boolit Master
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    +1 on the Speer 235's for a reduced recoil load. Also used the sierra 200 gr fp for the Winchester round, they worked pretty well for low recoil also. Should take care of the hogs well also.

  2. #22
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    The IMR booklet load is good for 4198.
    I reduced it and don't feel it made much difference. The gun is so heavy and the limbsaver pad so effective this was fun. These groups were shot at 40 yds and I left the scope alone. Done deal and I'm using up an old can of powder.
    The Ruger Magnum Rifle is a fine gun.
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  3. #23
    Boolit Master

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    I don't believe they make that bullet any longer, you might try this with another easier to replace bullet.

  4. #24
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    I will when these are gone.

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  5. #25
    Boolit Master 35 shooter's Avatar
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    Nice looking rifle.

  6. #26
    Boolit Master

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  7. #27
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    I fired 3 shots from the bench using a dog bowl as a rest for my hand on the forearm. About a 2" group slightly right.
    Thanks for the advice everyone.

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  8. #28
    Boolit Master 15meter's Avatar
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    Cost of three boxes of decent factory ammo is more than a mold, sizer and 1000 gas checks. Makes it kind of hard not to set up to cast for it. I've got a NOE mold. If geezer memory will let me, I'll post what it is and the load. Loaded for light practice load I think came from Lyman's manual.

  9. #29
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    It's my brother's call but I'm steering him toward CBs. A .375 flat point cast will do the job on anything here. Thanks 15meter- I'll take any info you've got.

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  10. #30
    Boolit Grand Master


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    I use the Lyman 375449 which is a FP in my three six bits (M70). Over 36 gr AA5744 it runs 1850 fps and would be just the ticket for what you want for deer or pigs there in Texas. Over 46 gr 4895 with a Dacron filler it runs 2200 fps for a better load for bigger game.
    Larry Gibson

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  11. #31
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    What does the 375449 weigh from 50/50 ww/ lead ? I know every gun is different but what do you size to?

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  12. #32
    Boolit Grand Master
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    I use a BRP 310gr over 38.5gr 4759 and mag primer in my H&H. About 1.5"@100yds Going to try the NOE 275 next.

  13. #33
    Boolit Grand Master Outpost75's Avatar
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    Quote Originally Posted by Texas by God View Post
    What does the 375449 weigh from 50/50 ww/ lead ? I know every gun is different but what do you size to?

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    My old Ideal mold drops WW at 266 grains and .380" diameter and 50-50 WW-lead at 270 grains and . 379". For most .375s I size .379".
    The ENEMY is listening.
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    Keep it to yourself.

  14. #34
    Boolit Grand Master


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    Never cast any with COWW/lead at 50/50. With lino mine run 265 gr fully dressed and with COWW + 2% tin they run 273 gr fully dressed. This is mostly the alloy I use. They drop at .377 - .378. I size at .377 in a Lyman 450 with H&I die. I would suspect 280 +/- gr with COWW/lead. My mould is also an older single cavity.
    Larry Gibson

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  15. #35
    Boolit Master

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    I'm currently casting 335gr Accurate Molds boolit for mine and using rl-7.

  16. #36
    Boolit Master 15meter's Avatar
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    Quote Originally Posted by Texas by God View Post
    It's my brother's call but I'm steering him toward CBs. A .375 flat point cast will do the job on anything here. Thanks 15meter- I'll take any info you've got.

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    Finally got the info out of my reloading binder.

    375 H&H
    18 grains Blue Dot
    Winchester Large Rifle primer
    Noe 379-279FN
    Casts @ 292 with G/C and lube

    From Lyman cast manual #3

    Went as high as 24 grains, snotty load, 18 way more fun to shoot.

    Good luck, sorry it took so long to post the info. Had ice so I was sailing

  17. #37
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    Thanks 15meter for the recipe!

  18. #38
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    I have a .375H&H as well as the #375449 mold. It shoots well right up to the mid 2,000fps speeds.
    I also tried reduced loads for the cast bullet and got a click-bang, or a secondary event, or whatever you want to call it. I didnt like it. I picked up my toy and went home.
    I do not like reduced loads (smokeless) in a large case, period. Maybe it is just me.
    However, I did one day experiment with a FULL case of FFFFg holy black, now that was a non-event.
    Velocity was inside the so-called RPM threshold, and accuracy was enough to be interesting. for all the smoke, crud, and dirty shooting, I never went any further with it.
    I do think that reduced loads for a large case are better served with holy black, rather than smokeless rifle powders.

  19. #39
    Boolit Master Drm50's Avatar
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    I shot a lot of Speer 235g in 375H&H, I did load some down to 2000fp but used IMR 4350. Also
    did ball gallery loads with IMR-4198 & Dacron filler. Now using the Speer 235g in 375Win using
    IMR 3031 in Ruger # 3.

  20. #40
    Boolit Master

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    Quote Originally Posted by 15meter View Post
    Finally got the info out of my reloading binder.

    375 H&H
    18 grains Blue Dot
    Winchester Large Rifle primer
    Noe 379-279FN
    Casts @ 292 with G/C and lube

    From Lyman cast manual #3

    Went as high as 24 grains, snotty load, 18 way more fun to shoot.

    Good luck, sorry it took so long to post the info. Had ice so I was sailing
    Up after a year. Did you ever try 4198 with no filler for this bullet??

    Looks like from above, no filler needed with 4198

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check