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new barrel question

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  #1  
Unread 05-15-2010, 06:35 AM
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new barrel question

I have a M700 in .300 RUM. It has a KP barrel on it but I'm going to a larger barrel for long range work. I'm thinking of getting a Krieger with 5R rifling in the MTU contour. Are there any advantages to the 5R rifling? Is the contour heavy enough for long range work?
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  •   #2  
    Unread 05-15-2010, 10:50 AM
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    Re: new barrel question

    With 5R barrel you will get a little more velocity and it will clean easier. I use Mike Rock barrels and they are awesome.
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      #3  
    Unread 05-15-2010, 11:13 AM
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    Re: new barrel question

    What about the contour?
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      #4  
    Unread 05-15-2010, 01:11 PM
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    Re: new barrel question

    MTU contour is plenty heavy for LR.
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      #5  
    Unread 05-15-2010, 09:05 PM
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    Re: new barrel question

    bjohnson_7, This is right from the Krieger website:



    Q: What are the advantages of 5-R style rifling?

    A: This is a tough one. There have been many reports and opinions on an "improvement" by using 5-R style rifling vs. conventional rifling. Many of these reports are of increased bullet speed, better gas seal on the bullet, less copper fouling/easier cleaning, etc. These are issues that are not prevelant with our traditional rifling style, so we really expect no improvement with our 5-R barrels. Our 5-R barrels are made with the same bore and groove dimensional tolerances and uniformity as our conventional record setting rifled barrels, so there certainly should not be a disadvantage. We offer the true Obermeyer style 5-R rifling in select calibers for shooters that feel there is an advantage to this style of rifling, you can be the judge.
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      #6  
    Unread 05-16-2010, 06:57 PM
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    Re: new barrel question

    Yeah I read it on the website but I wanted to some opinions from actual users of the barrel not just the company.
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      #7  
    Unread 05-16-2010, 08:18 PM
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    Re: new barrel question

    Quote:
    Originally Posted by bjohnson_7 View Post
    Yeah I read it on the website but I wanted to some opinions from actual users of the barrel not just the company.
    My gunsmith ordered a 5r barrel from kreiger for a 300WSM last year just after they announced making 5r barrels and it came in end of Apr along with appr 10 more. I don't expect rifle to be finsihed June/July as I told no rush.

    I think most shooter like to have afew months shooting before offering an opinion took me that long when I got a Broughton 5c was alitttle easier with the Bartlein 5r.

    coyotezapper is right alittle faster easier to clean.
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