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matrix bullets? 7mm 190??

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  #8  
Unread 03-17-2013, 03:31 PM
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Re: matrix bullets? 7mm 190??

I think I count 2 or 3 kills? What twist rate does the 190 grain need to stabilize?
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  •   #9  
    Unread 03-17-2013, 04:58 PM
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    Re: matrix bullets? 7mm 190??

    having barrel built for the 180g berger and 190g matrix. spoke with matrix and said 8 twist might be a little tight. 8.5 is about as tight as he would go. has heard some problems with bullets 190g if spun up to hard. safer in the 8.5 twist. so i will have a barrel built for this application. berger 180vld say 9 twist so anything close should get me in the ball park. 8.5 twist and 29" barrel in a 7 RUM an defensive edge brake. My brake arrived this weekend, sweet! waitin on parts..
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      #10  
    Unread 03-17-2013, 06:32 PM
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    Re: matrix bullets? 7mm 190??

    I have an stw, so will 9 twist work? sometimes when the speed is up, you don't need the extra twist from what I've heard? Any comments?
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      #11  
    Unread 03-17-2013, 07:13 PM
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    Re: matrix bullets? 7mm 190??

    i'm still figuring this out myself. never shot the STW 7mm. Matrix said 8.5 twist from some of the input he is getting from some of the F class shooter. this is all i know. i guess in the end its the reloader who pushes the limits and pushes to failure. new stuff for me and just gathering parts. hurry up and wait!!
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      #12  
    Unread 03-30-2013, 12:03 AM
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    Re: matrix bullets? 7mm 190??

    Any updates? Going to do an order for some 160 grain 6.5's and need to decide if i want a couple 190's for my 284 win.
    __________________

    I'm 18
    "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
    ~George Washington

    "The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
    ~ JE Custom

    Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/

    My guess on W3P .308 230 Grain Bullet: G1 .740-.755
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      #13  
    Unread 03-30-2013, 12:13 AM
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    Re: matrix bullets? 7mm 190??

    complications with mail service. Just got a package stating from mail. package unsealed and contents lost. not sure what happened not at home. working north dakota at the moment happy easter to me! e-mail sent to matrix on situation but holiday weekend. will be home next week to figure this out. this kinda sucks!
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      #14  
    Unread 03-30-2013, 12:18 AM
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    Re: matrix bullets? 7mm 190??

    Might want to take a look at this: SHIPPING Warning for all happy easter! You near Dickinson??
    __________________

    I'm 18
    "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
    ~George Washington

    "The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
    ~ JE Custom

    Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/

    My guess on W3P .308 230 Grain Bullet: G1 .740-.755
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