338 Edge case prep

Discussion in 'Long Range Hunting & Shooting' started by pdog, Mar 22, 2009.

  1. pdog

    pdog Member

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    Mar 23, 2007
    I am getting ready to load some more new rounds for my Edge, What is the recommended trim to length that I should trim to? Also I have heard of people trimming before sizing, is that exceptable? I am using 300 ultra mag brass.
    Thank you for the help
    J.P.
     
  2. davewilson

    davewilson Well-Known Member

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    Feb 19, 2004
    use the same numbers for max and trim to length as the 300 Ultra Mag.
     

  3. trueblue

    trueblue Well-Known Member

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    Feb 18, 2008
    pdog,
    My chamber length was 2.865, so my trim length is 2.850
    If you don't know what your chamber length is, get a Sinclair chamber length gauge, about $ 7.00
     
  4. Bravo 4

    Bravo 4 Well-Known Member

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    Jul 20, 2007
    After sizing up from .300RUM brass, I have never had to trim before the first two firings.
     
  5. james freudiger

    james freudiger New Member

    Messages:
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    Mar 26, 2009
    i just getting in to the long range shooting, and seen on some videos that some hunters and shooters were shooting 1200 to 1900 yards. is a 338 superamerica rifle 26 inch barrel capable of doing this accuartely, and what will be the best kind of scope to use for this challenge? as you can see i need all the help i can get. i am well aware of some high prices but sure would appreciate any help you can give me.

    Thank you so much

    jim freudiger