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38x55 win jacketed bullets keyholding

Discussion in 'Handloading and Reloading' started by Yukon Jack, Mar 9, 2008.

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  1. Yukon Jack

    Yukon Jack Member

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    Sep 20, 2005
    Messages:
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    Location:
    Pacific NW
    I have no problems with .379 dia moly lube cast bullets in my Legendary Frontiersman Winchester.
    However, jacketed bullets, namely Hornady JHP, keyhole regardless of the powder weight.
    Any suggestions out there other then to stick with cast bullets?
     
  2. ReloaderFred

    ReloaderFred Member

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    Apr 28, 2005
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    Location:
    Oregon Coast
    I would suggest slugging the bore of your rifle and find out what the actual diameter is. That would answer your question.

    Hope this helps.

    Fred
     
  3. somerled

    somerled Member

    Joined:
    Jun 13, 2005
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    Location:
    eastern Kansas
    Some .38-55s have a bore diameter in excess of .380. The .375 inch jacketed bullets will perform in them just like you described. They are intended for the .375 Winchester. Barnes makes a .377 diameter jacketed bullet. There may be others larger than .375 out there.
     
  4. Yukon Jack

    Yukon Jack Member

    Joined:
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    Location:
    Pacific NW
    Thanks for the suggestions: more research is the answer.

    I will "slug" the barrel and start there first.
     
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