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Thread: 400 whelen

  1. #1
    Boolit Buddy 444ttd's Avatar
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    400 whelen

    i have a sporterized 98 mauser in 8x57 and next year i'm either going to rebore or rebarrel to the 400 whelen. (read https://web.archive.org/web/20101203...pace_myth.htm# to headspace it). i was going to do the 375 whelen but i already have a 9.3x57(.366"). and i can say that 4-something something!

    since 150 lbs whitetails will be its main course, i'll only go 1600-1800fps in 350-400gr fn gc. i hunt in close cover, so 60+ yards is a loooong shot, 25-35 yards is more likely.

    1944 98 mauser 8x57mm




    i've been thinking of taking it to JES(i like that peep sight) but i might rebarrel it to 24"(it has a 22" barrel). i doubt that extra 2" is a make or break situation, but i like the 24" over the 22". the 98 mauser NEEDS a timney trigger and i'll go with richard's stock( http://rifle-stocks.com/ ), it will be a wolverine style and either a blue coral or black walnut stock.

    i doubt highly that i'll get the chance to hunt elk or moose, but my sons' might and i'll just happen to have a rifle that they can use....it sounds good, don't it!!!

  2. #2
    Boolit Bub
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    I was going to build one some years ago. Then this .411 Hawk fell into my lap! Great thumper!

  3. #3
    Boolit Grand Master Texas by God's Avatar
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    Some where probably here I read that JES doesn’t rebore miltary barrels? I like the stock you have on it now.

  4. #4
    Boolit Buddy
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    I have an 03' Springfield in 400 Whelen I found at a LGS a few years back!

  5. #5
    Boolit Buddy
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    I like the looks of your Mauser as-is. If I wanted more oomph, I would have it re-chambered to 8mm-06 and I'd be happy all day.

  6. #6
    PAPERPATCH MASTER


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    Have you given any thought to a .416/06 wildcat chambering?Robert

  7. #7
    Boolit Master
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    The 8x57 mm is a great thumper on 150 pound deer (and larger game too). Try it with a 200 gr, 10-12 BHN flat nosed bullet at around 1600 fps, and I think you'll be impressed.

  8. #8
    Boolit Buddy 444ttd's Avatar
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    Quote Originally Posted by Hardcast416taylor View Post
    Have you given any thought to a .416/06 wildcat chambering?Robert
    no, i've thought about it a little bit tho.

  9. #9
    Boolit Master
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    I have a 8mm-06 bought about 20 years ago , fn mauser sporter stock and rechambered everything else is as issued , and a 338-06 done by jes and I had him do a 375-06 (375 whelen ) , the 375 was on a 1903 , you call him he will tell you what he will do I asked for the one to be a 8mm-06 as I had the dies and he said he did not do 8mm so it went to become 338-06 , nice work and fast to , nice person to talk to I dropped them off and picked them up .

    I think if you want the 400 whelen then have at it .

  10. #10
    Boolit Buddy 444ttd's Avatar
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    Quote Originally Posted by Tatume View Post
    The 8x57 mm is a great thumper on 150 pound deer (and larger game too). Try it with a 200 gr, 10-12 BHN flat nosed bullet at around 1600 fps, and I think you'll be impressed.
    unfortunately, the rifling seems to be worn out about 3-4" from the muzzle. i just gave her the once thru with oil, i still have to clean the bore.

  11. #11
    Boolit Master
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    It would appear that shooting is in order. Do you have any 8x57 mm ammo?

  12. #12
    Boolit Buddy 444ttd's Avatar
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    i have 8x57 ppu cases necked up to 9.3.

  13. #13
    Boolit Grand Master



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    Good morning
    A 9.3 is a good one ! Pretty much do all any of us would need in our fare country. Round ball for bunnies and tree rats and 300 grainers for nasty biting critters.
    Make a 40 Whelen.. If you do not like it I will buy it. We have a 375 Whelen and use round ball up to a 345 GC flat nose for anything that needs to get ventilated.
    "Come unto Me, all you who labor and are heavy burdened, and I will give you rest." Matthew 11:28
    Male Guanaco out in dry lakebed at 10,800 feet south of Arequipa.

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  15. #15
    Boolit Grand Master Texas by God's Avatar
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    Absolutely do it. Cast .41 mag bullet use would be a huge bonus. Even a 10.2x57mm to use the Mauser case.

  16. #16
    Boolit Master
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    Quote Originally Posted by 444ttd View Post
    no, i've thought about it a little bit tho.
    Better still, the 416 Taylor! You will have a decent shoulder to head space on.

    Yes Robert (Hardcast), I am going to get one someday .... I just have not gotten around to it yet!

    Best regards

    Three44s
    Quit fretting about climate change. Its how much stronger gravity is getting every day that is bothering me!

  17. #17
    Boolit Master Tripplebeards's Avatar
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    Quote Originally Posted by Texas by God View Post
    Some where probably here I read that JES doesn’t rebore miltary barrels? I like the stock you have on it now.
    I read it right on their website years ago as well.

  18. #18
    Boolit Buddy 444ttd's Avatar
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    Quote Originally Posted by Three44s View Post
    Better still, the 416 Taylor! You will have a decent shoulder to head space on.

    Yes Robert (Hardcast), I am going to get one someday .... I just have not gotten around to it yet!

    Best regards

    Three44s
    nah, it has a belt. i'm looking for a cartridge w/o a belt.

  19. #19
    Boolit Buddy
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    I would go with the .400 Brown-Whelen or .411 Hawk. There is a little more shoulder for it to head space on.

  20. #20
    Boolit Buddy 444ttd's Avatar
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    https://i.imgur.com/hinZNTs.jpg
    https://i.imgur.com/syLn15T.jpg
    https://i.imgur.com/NC4pfex.jpg

    i don't have but these are 400 whelen.

    Mr. Petrov says it best- "Most of the problems with this cartridge I have been able to trace to one factor. The .30-06, .25 Whelen (.25-06), .35 Whelen and .38 Whelen all have a shoulder diameter of .441. The ORIGINAL .400 Whelen shoulder is .458". "

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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