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160gr Matrix

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  #78  
Unread 04-20-2013, 06:42 PM
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Re: 160gr Matrix

Just got mine in the mail today!! Darn good looking bullets. My 6.5 SAUM is at my smith's 400 miles away. Think it's time for a road trip.

Left to right. 130 JLK, 140 JLK, 160 Matrix, 180 7mm JLK. Excuse the sideway's pic, damn iphone
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  •   #79  
    Unread 04-21-2013, 06:01 PM
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    Re: 160gr Matrix

    Fixed !
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      #80  
    Unread 04-23-2013, 01:25 PM
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    Re: 160gr Matrix

    Tghis thread was a great "heads up" for me. I have a 6.5-06 AI with a 1-8 twist that just didn't like the 140 gr. bullets. I've been shooting the 130 gr. ABs for the past three years. Pleased with the accuracy, but always wanting more in the higher BC category. I ordered 300 count this morning. We'll see how it goes.
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      #81  
    Unread 04-24-2013, 11:13 AM
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    Re: 160gr Matrix

    How would these fair out of a 8.5 twist?
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      #82  
    Unread 04-24-2013, 11:53 AM
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    Re: 160gr Matrix

    As a general rule: the faster the velocity of the bullet, the less twist required to stabilize it. Some on this thread have a 1 in 9 twist and having success.
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      #83  
    Unread 04-24-2013, 12:55 PM
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    Re: 160gr Matrix

    Quote:
    Originally Posted by azsugarbear View Post
    As a general rule: the faster the velocity of the bullet, the less twist required to stabilize it. Some on this thread have a 1 in 9 twist and having success.
    I ran loads in my 264win yesterday, maxed-out around 3100fps & actually was seeing about 3/4" groupings til my barrel began fouling... long story short, groups were difficult to measure because my 1:9 is a little short for stabilizing these bullets (hole were slightly key-holed) ...even at 3100*

    1:8.5 might work if you can push it as fast (or faster) But only trial will really tell. Can be guaranteed my re-barrelling (which is coming up very soon) will be done with an 8 or 8.5 twist.. specifically to shoot these 160's!

    Here's a pic of a single bullets "keyhole" (that I'm talking about) ..not quite what you want to see*
    160gr Matrix-image.jpg
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      #84  
    Unread 04-24-2013, 01:13 PM
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    Re: 160gr Matrix

    Here's one of a 140 Berger, also yesterday.. same rifle* But stable!

    ...for stability comparison

    160gr Matrix-image.jpg
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