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338RUM or 338/300RUM in 28" tube?

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  #1  
Unread 04-22-2012, 10:17 AM
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338RUM or 338/300RUM in 28" tube?

How much do you really gain with a 338/300 RUM over the standard 338RUM in a 28" tube?
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  •   #2  
    Unread 04-22-2012, 07:09 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    Quote:
    Originally Posted by durak View Post
    How much do you really gain with a 338/300 RUM over the standard 338RUM in a 28" tube?
    Hard to believe that no one has an opinion - maybe this is the wrong crowd?
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      #3  
    Unread 04-22-2012, 07:27 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    For what it's worth, I've frequently read that an aprox 100 ft/sec gain can be expected depending on bullet weight and powder used. Sorry that I don't have any first hand experience with the 338 Edge to share.
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      #4  
    Unread 04-22-2012, 07:56 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    Thanks - I have a friend that wants a 338/300RUM (I DO NOT call it an "edge" as I have had several rifles chambered in 338/300 RUM before it was called that). I suggested the standard 338 RUM. My thinking is in a 28" tube the 338/300 RUM would just waste powder and would need more barrel to take advantage of the extra powder capacity. I'm sure one could mitigate this by running a faster powder but to what end.

    Am I off on my thinking? Is there any advantage?
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      #5  
    Unread 04-22-2012, 08:05 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    i had a "edge". i prefer to call it a 338/300 myself. i now am in the works of a 338 rum. I don't think the 50fps adv increase in velocity is worth the wildcat.

    my main reason is i want a factory caliber that is head stamped for the bullet diameter im truely using. its just personal preference to me.

    i got 2800fps adv with 91gr H1000 in a 30" tube rem 700.
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      #6  
    Unread 04-22-2012, 10:09 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    I went with the 338 RUM for the same reason. Head stamped brass is a big deal to me also.
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      #7  
    Unread 04-22-2012, 10:34 PM
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    Re: 338RUM or 338/300RUM in 28" tube?

    Wiki,shows 338 LA=114 GR.338 rum=113,and Edge =110,h20. I think it is going to depend more on your barrel and build than the cartridge. I have seen Norma listed at 106,mine is 108 h2o. And I have noticed that compared to many Savage 338 la on this site I shoot same velocity with less powder,that is across Oehler.
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