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What 7mm round

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  #1  
Unread 06-21-2013, 11:01 AM
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Join Date: Nov 2007
Location: Central Texas
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What 7mm round

Looking for a round to push the 180 Bergers at or above 3200 without going to a 338 parent case. Would need to go in a Remington 700 long action. I would really prefer it not to be a belted case also.
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  •   #2  
    Unread 06-21-2013, 11:25 AM
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    Re: What 7mm round

    7mm STW is belted, and it can get you there.

    7mm RUM is non-belted and it can get you there, too.

    However, the RUM is known for burning throats out in the barrels a little quicker than the STW's are. The RUM's can get around 1,000-1,500 shots of barrel life, the STW will get 1,500-2,000 or so.

    I'm a big fan of the STW. Had mine for 11 years now, and it still impresses me to this day. Layne Simpson was a genious for designing that round.
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    Quote:
    Originally Posted by WildRose View Post
    The 284 is to the STW what a tricycle is to a Ninja.
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      #3  
    Unread 06-21-2013, 12:49 PM
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    Re: What 7mm round

    thats about it if you need to go that fast with a 180
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      #4  
    Unread 06-21-2013, 01:06 PM
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    Re: What 7mm round

    I would look at a 7-300 Norma mag or the 7 RUM to get your target speed, I don't think the 7 Dakota or 7 LRM can quite reach that velocity.
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      #5  
    Unread 06-23-2013, 10:03 AM
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    Re: What 7mm round

    i'm just curious why you feel that you have to go that fast with that bullet? i'm waiting on my new 7x300win to get back from the smith and it should launch the 180s at 3100 with ease. doing the ballistics on that bullet at 3100 says it is still super sonic at 1900y at my 500ft elevation and 2250y at 7500ft elevation where I hunt. so i'm just curious what it is your wanting out of that bullet that says it needs to leave the muzzle at 3200?

    another vote for the STW tho if you do want to push it that hard
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      #6  
    Unread 06-23-2013, 03:27 PM
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    Re: What 7mm round

    Quote:
    Originally Posted by rb85cj7 View Post
    Looking for a round to push the 180 Bergers at or above 3200 without going to a 338 parent case. Would need to go in a Remington 700 long action. I would really prefer it not to be a belted case also.
    This is one of your older post from 2009 and your loads from a 7STW

    STW loads and Mag Primers

    Nothing wrong with the 7 Allen Mag.
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      #7  
    Unread 06-23-2013, 09:48 PM
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    Re: What 7mm round

    7 RUM is about the only one that will do it, why don't you want a 338 case? Try searching for 284 Jazz or 284 Thor on here. Both will do 3200 with a 180 berger but use the 338 or 300 Norma case.
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