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338-300 Win Mag

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  #15  
Unread 07-11-2014, 01:52 PM
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Re: 338-300 Win Mag

Quote:
Originally Posted by jfseaman View Post
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.
Ah so the Noslers are like the 330 Dakota and such...based off the Jeffrey.

I ordered a 338-300 Reamer and am sending this with my Bartlein to my smith. Gonna have it throated to the 300gr bergers as a backup to my edge. Stay tuned.
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  •   #16  
    Unread 07-11-2014, 05:01 PM
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    Re: 338-300 Win Mag

    Quote:
    Originally Posted by thesheepdog View Post
    Ah so the Noslers are like the 330 Dakota and such...based off the Jeffrey.

    I ordered a 338-300 Reamer and am sending this with my Bartlein to my smith. Gonna have it throated to the 300gr bergers as a backup to my edge. Stay tuned.
    What a coincidence, I too am interested and was running some numbers last week. What twist and groove did you decide on?
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      #17  
    Unread 07-11-2014, 05:31 PM
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    Re: 338-300 Win Mag

    Quote:
    Originally Posted by FEENIX View Post
    What a coincidence, I too am interested and was running some numbers last week. What twist and groove did you decide on?
    My Bartlein is a 1:9.3 twist. Not sure what finished length I'm going with.
    Got my reamer from JGS. They have them in stock.
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      #18  
    Unread 07-11-2014, 05:54 PM
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    Re: 338-300 Win Mag

    Quote:
    Originally Posted by thesheepdog View Post
    My Bartlein is a 1:9.3 twist. Not sure what finished length I'm going with.
    Got my reamer from JGS. They have them in stock.
    Cool, thanks! Keep us posted.
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    "Leadership Rule #2: Don't be an ***hole." - Maj Gen Burton Field.
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      #19  
    Unread 07-11-2014, 10:14 PM
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    Re: 338-300 Win Mag

    tagging in... I've got a #1 in 338 win that is rather boring... 2900 fps with a 225ab or hdy though.
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      #20  
    Unread 07-11-2014, 11:38 PM
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    Re: 338-300 Win Mag

    What velocity do you think you will get with the 300 grain bergers?
    Jon
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      #21  
    Unread 07-11-2014, 11:44 PM
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    Re: 338-300 Win Mag

    Quote:
    Originally Posted by jskmtd View Post
    What velocity do you think you will get with the 300 grain bergers?
    Jon
    2700. I will post my results when I get some loads going.
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