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fastest 338 caliber?Build advice?

 
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  #64  
Old 01-06-2009, 06:16 PM
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Re: fastest 338 caliber?Build advice?

Kirby or other user what is the 338 ultra maxx geussing a 338edge imp? what is the neck length, shoulder angle etc?? thanks for any info in advance
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  #65  
Old 01-06-2009, 06:31 PM
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Re: fastest 338 caliber?Build advice?

Its a form of the 338 Edge Improved. It would be more accurately discribed as a 338-270 Allen Magnum. This is because the shoulder location is moved forward compared to the 338 Edge.

To be honest, the easiest way to form brass is to neck down a 375 RUM case just enough so that it will chamber with some slight resistance and then load with a standard 338 Edge load and shoot.

If you just neck up a 300 RUM case to 338 and load and shoot, the headspace will be loose. It will work but you may get more case wall stretching just ahead of the case head then you may want.

Shoulder angle, I have kept that a bit of a secret. Its steeper then 35 degrees, less then 40 degrees.....
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  #66  
Old 01-06-2009, 06:45 PM
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Re: fastest 338 caliber?Build advice?

hehe that was fast Kirby, ssoooo neck length is?? just trying to get a mental picture
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  #67  
Old 02-11-2011, 10:00 PM
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Re: fastest 338 caliber?Build advice?

I relize this is an old thread but i am interested in a big boomer and wondering why nobody has brought up 338 snipe tac , or posted other 408 cheytac based wildcat performance .

Fiftydriver Do you have a price list for Brass and Dies for your 338 AM ?
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