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Twist rates for 338/416, 338/378

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  #1  
Unread 11-16-2001, 02:17 PM
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Twist rates for 338/416, 338/378

What would you recomend for a 30-40" berrel for the 300gn Sierra MK at 3000-3200fps.

A program I ran on my 416wby with a 400gn X bullet was in the 1 in 18 to 19 range and my rifle has a 14 twist and works very well.
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Brent Moffitt
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  •   #2  
    Unread 11-16-2001, 05:35 PM
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    Re: Twist rates for 338/416, 338/378

    Brent

    Nearly all 338 barrels I've checked into are 1 x 10. That being said, I have a PacNor that is 1 x 8 polygonal, there have been 3 of these made that I'm aware of. I guess if you find a company willing to make a custom you can have anything you want.

    Darryl no doubt knows more about the twists for the 338 barrels but my guess is that he'll say 1 x 10.

    [ 11-16-2001: Message edited by: Dave King ]
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      #3  
    Unread 11-16-2001, 09:53 PM
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    Re: Twist rates for 338/416, 338/378

    Your so right Dave.

    1 in 10 twist for the 338 and the 250 gr or the 300 gr bullet.

    DC
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    Darryl Cassel
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      #4  
    Unread 11-16-2001, 10:33 PM
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    Re: Twist rates for 338/416, 338/378

    Thanks guys.
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