What can the 338 win mag do that the 300 RUM cant?

Discussion in 'Long Range Hunting & Shooting' started by Southernfryedyankee, Feb 15, 2009.

  1. Southernfryedyankee

    Southernfryedyankee Well-Known Member

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    Since I am getting into rebarreling for my savage I might start looking at different calibers. Since I am keeping my mighty 7mag I would also like a larger caliber for future long range shooting/hunting. I am toying with the idea of what my next caliber should be.
     
  2. Derek M.

    Derek M. Well-Known Member

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    Make a bigger hole and shoot a bigger bullet.

    Make life simple and get a 338 RUM.
     

  3. 300rum

    300rum Well-Known Member

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    Instead getting 338RUM get a 338edge . More case capacity (7%) then a 338 rum. The accuracy is

    UNBELIEVABLE . This 338Edge is great rifle, easy and affordable to reload, and after you get one, you will never go back.
     
  4. Southernfryedyankee

    Southernfryedyankee Well-Known Member

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    I dont reload though, I wish I did. I am JUST getting into basic gunsmithing. I dont think I am anywhere near reloading yet. I have heard amazing things about the edge and watched many a youtube videos on it.
     
  5. Derek M.

    Derek M. Well-Known Member

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    So, get a 338 RUM and a 29" barrel. Done. :D
     
  6. J E Custom

    J E Custom Well-Known Member

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    There is a way you can have your cake and eat it to.

    If you like the edge but want to stay with something factory then get an extended
    mag box and you can make up the difference between the 338 RUM and the 338
    edge in powder capacity by seating the bullets longer and not encroaching as much
    in the case using up powder space.

    Of corse if you do this with the 300/338 you can boost powder capacity in it also.

    When I built mine I used a Weatherby MK 5 action because it was .100 thousandth
    longer. ( The difference in the case body length of a 338 RUM and the 300/338 is
    about .090 thousandth.

    The 338 RUM delivers 25% more muzzel energy than the 338 Win Mag and that should
    be enough for anything on this continent.

    Mine will produce 3100 ft/sec with a 250 gr Noz Accubond in a 27" barrel.(stiff but not Max).

    I'm not sure what the 300/338 will do in this length barrel but it can't be much more because
    this almost matches the 338/378 and it has 12 to 14grs more capacity than the 300/338.

    Just an opinion
    J E CUSTOM
     
  7. KRP

    KRP Well-Known Member

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    He doesn't reload. Where is he going to get factory ammo that's loaded that way? I understand and agree with the premise but I think you missed the "I don't reload" part.
     
  8. MontanaRifleman

    MontanaRifleman Well-Known Member

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    300 RUM vs 338 RUM

    The 300 kicks less and ammo is a lot cheaper
    The 338 has better ballistics

    300 RUM vs 338 WM

    The 300 has better balistics
    The 338 has a little cheaper ammo



    You really should start reloading if you want to LR
     
  9. jwp475

    jwp475 Well-Known Member

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    For a non-reloader the 338 Lapua is the obvious choice since there are match grade factory ammo available loaded with the 250 & 300 grain SMK
     
    Last edited: Feb 18, 2009
  10. J E Custom

    J E Custom Well-Known Member

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    Thanks KRP but I did not miss the part about reloading just pointing out that if
    he started with a 338 RUM he could move up later when he does start reloading
    to the longer mag or action with out a re chamber.

    Guess I was not clear about that.

    I feel like he will start reloading once he starts shooting the 338 because of cost
    and better accuracy with reloads.

    J E CUSTOM

    Thanks
     
  11. teddy12b

    teddy12b Well-Known Member

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    I used to have a 300RUM and the cost of ammo drove me to start reloading. Take a look at most of the ammo for those rifles and you're easily talking over $1 every time you pull the trigger. In most cases it'll be $2-$3 every time you pull the trigger in those calibers with factory ammo.
     
  12. D.Camilleri

    D.Camilleri Well-Known Member

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    If you are wanting to start doing some gunsmithing, then consider reloading as part of the gunsmithing process. Basic reloading is quite simple and the initial investment is not a lot of money. Oh and my vote goes to the 338 rum or do both like I do!