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338-300 Win Mag

 
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  #15  
Old 07-11-2014, 01:52 PM
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Join Date: Jun 2014
Location: Texas
Posts: 29
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  
Old 07-11-2014, 05:01 PM
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Re: 338-300 Win Mag

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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  
Old 07-11-2014, 05:31 PM
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Re: 338-300 Win Mag

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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  
Old 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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I voted for my "FREEDOM", "GUNS", and "MONEY" - keep the change - UNK.



"I am always proud of my country!"

"Leadership Rule #2: Don't be an @zzhole." - Maj Gen Burton Field.
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  #19  
Old 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  
Old 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  
Old 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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