338-300 Win Mag

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by thesheepdog, Jul 11, 2014.

  1. thesheepdog

    thesheepdog Well-Known Member

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    I stumbled across this cartridge recently and now it has my attention.

    Does anyone here have one? If so, I'd love to talk to you more about it.
     
  2. MudRunner2005

    MudRunner2005 Well-Known Member

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    I wouldn't waste my money with it....If you want a .338 caliber, I'd step it on up to the .338 RUM or larger.
     

  3. thesheepdog

    thesheepdog Well-Known Member

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    I have a 338 Edge......
     
  4. MudRunner2005

    MudRunner2005 Well-Known Member

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    If you just want a .338-300 WM, then go right ahead. But if you've already got a .338 Edge, you've already got the .338 game covered.

    Why not a 7mm-300WM or just a straight .300 WM?
     
  5. thesheepdog

    thesheepdog Well-Known Member

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    It seems like a silly idea for me to go with a 338-300, but in reality it's a good idea with the brass availability for the 300 WM.

    I've got a spare 338 barrel I need to do something with and money isn't an issue for me.
     
  6. MudRunner2005

    MudRunner2005 Well-Known Member

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    Why not go with a .338 Federal? That's awesome barrel and brass life, and it's a fun gun to shoot. Not fast at all, but it would last forever.

    Or a .338-06 A-Square 40-degree.
     
  7. thesheepdog

    thesheepdog Well-Known Member

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    I'm using a magnum bolt face, long action so neither of those would work.
     
  8. jfseaman

    jfseaman Well-Known Member

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    I don't have one but a 338-300 WM is viable..

    More than a 338WM
    More than a 338-06 A-Square
    Less than a 338 Edge

    Do you want a belted magnum 338?

    If you want something in 338 less than an Edge and more than a 338WM and are willing to wildcat, shameless plug for a 338/26 Nosler
     
  9. gohring3006

    gohring3006 Well-Known Member

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    I say go for it, there nothing wrong with having two .338s Many people have different cartridges of the same caliber...
     
  10. MudRunner2005

    MudRunner2005 Well-Known Member

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    Sorry, you didn't specify you had an action already...You just said you had a spare .338 barrel sitting around.
     
  11. thesheepdog

    thesheepdog Well-Known Member

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    I think that's what I will do. Simply necking up 300 WM brass to 338 sounds pretty cool...plus having it long-throated would give some pretty sweet performance with high BC bullets.

    1) Easy to get brass.
    2) No major brass work (simply neck up)
    3) Long range performance

    what's not to like?
     
  12. thesheepdog

    thesheepdog Well-Known Member

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    What is the parent case for the 338/26?
     
  13. MudRunner2005

    MudRunner2005 Well-Known Member

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    The .26 Nosler.........
     
  14. jfseaman

    jfseaman Well-Known Member

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    The parent to the 26 Nosler is the 7mm RUM
    The parent to the 7mm Rum is the 404 Jefferies

    The 404 Jefferies begot:
    RUM
    WSM
    WSSM
    SAUM

    I think Ruger SM, Dakota, some Lazzeroni and some Allen all had origins in the bloodline.

    The 375 H&H begot:
    Almost every belted magnum design with a .532 bolt face.