What's the difference in the .338 Edge & .338 RUM ?

Discussion in 'Equipment Discussions' started by Tang, Nov 7, 2008.

  1. Tang

    Tang Well-Known Member

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    Just curious, since the Edge is based on the Ultra Mag case.
     
  2. Eaglet

    Eaglet Well-Known Member

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    Here is the answer!!!
     

  3. J E Custom

    J E Custom Well-Known Member

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    As Eaglet said the edge is based on a 300Rum necked up that has a little more case
    capacity than the 338 RUM .

    I built my 338 RUM on a weatherby MK 5 action that was 1/10 of an inch longer than
    most other actions allowing me to seat the bullet long eleminating the differance in
    capacity between the 338 RUM and the 300/338 RUM.( Edge )

    You can also use the 375 RUM cases for the edge by necking them down .

    As far as performance there's little or no difference between the two and factory
    ammo is available for the 338 RUM.

    J E CUSTOM
     
    Last edited: Mar 3, 2009
  4. Tang

    Tang Well-Known Member

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    I did try searching first, not sure why I didnt find that thread.
     
  5. Franklin

    Franklin Well-Known Member

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    What I can't figure out, is why the 338. is the only one shorter. Why would remington do this?
     
  6. Chas1

    Chas1 Well-Known Member

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    I think it may have something to do with Remington trying to prevent accidently loading a 300 rum cartridge into one of there 338 rifles as I think the longer (by .09) 300 rum case might make closing the 338 bolt difficult. Thinking this might alert an unsuspecting shooter to a problem and possibly avoid an ugly situation...law suit etc. etc. I'm sure Remington has more than a few lawyers. Just a guess but I'll leave it up to others with far more knowledge than I on what they think the reason might be.