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9 Twist in a 7mm STW

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  #1  
Unread 06-02-2012, 02:37 AM
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9 Twist in a 7mm STW

A 1:9 should be more than adequate for any of the heavier 7mm VLD's shouldn't it?

7mm STW 27" BBL... .
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    Unread 06-02-2012, 03:31 AM
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    Re: 9 Twist in a 7mm STW

    I haven't been much of a 7mm person, but Berger coming out with a 195 intrigues me. Their posts on LRH indicate it will require "at least 1-8.5". I shot some of the old Barnes Originals in this caliber and weight 1-9 worked there, but this bullet should be longer by a bit. Everything else should work. Good Luck.

    Last edited by HARPERC; 06-02-2012 at 03:33 AM. Reason: add to
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    Unread 06-02-2012, 09:31 AM
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    Re: 9 Twist in a 7mm STW

    Quote:
    Originally Posted by WildRose View Post
    A 1:9 should be more than adequate for any of the heavier 7mm VLD's shouldn't it?

    7mm STW 27" BBL... .

    It will not only work but it is the recomended twist for all 7 mm bullets.

    If you go much faster with the twist you may have trouble with the lighter bullets just like
    if you go with a slower twist you will have trouble with the heavy bullets.

    My 1000 yard match rifle was a 1 in 9.25 and it loved the 168s and 175 grain bullets.

    Twist rates for a specific bullet may cause problems if another bullet weight is tried.

    You will be fine with the 1 in 9.

    J E CUSTOM
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    Unread 06-02-2012, 01:28 PM
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    Re: 9 Twist in a 7mm STW

    +1 for 1:9.25 twist.

    Shoots great with both of mine with 168gr. Bergers!
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      #5  
    Unread 06-02-2012, 02:59 PM
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    Re: 9 Twist in a 7mm STW

    Quote:
    Originally Posted by J E Custom View Post
    It will not only work but it is the recomended twist for all 7 mm bullets.

    If you go much faster with the twist you may have trouble with the lighter bullets just like
    if you go with a slower twist you will have trouble with the heavy bullets.

    My 1000 yard match rifle was a 1 in 9.25 and it loved the 168s and 175 grain bullets.

    Twist rates for a specific bullet may cause problems if another bullet weight is tried.

    You will be fine with the 1 in 9.

    J E CUSTOM
    Thanks for the confirmation. I'm mainly looking at the 162-180's and figured that would be about ideal for that class of bullet but still do fine with the 150's.
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