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Thread: .338 Lapua - best powder?

  1. #1
    Join Date
    Feb 2003
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    1,868

    .338 Lapua - best powder?

    .338 Lapua Magnum:
    Can anyone give an accurate suggestion as to the best powder to use with a 250 grain bullet and a 27 inch barrel?

    Best for accuracy and highest velocity...?

    Just inquiring for a friend.

  2. #2
    Join Date
    Feb 2003
    Location
    Alaska
    Posts
    230
    Alliant RL-22 or RL-25.

  3. #3
    Join Date
    Jul 2005
    Posts
    30
    Quote Originally Posted by Dennis Sorensen View Post
    .338 Lapua Magnum:
    Can anyone give an accurate suggestion as to the best powder to use with a 250 grain bullet and a 27 inch barrel?

    Best for accuracy and highest velocity...?

    Just inquiring for a friend.
    Check out 92.5gr/'H1000.

    Retumbo and RL 22 are good too.

  4. #4
    Join Date
    Dec 2008
    Location
    phoenix
    Posts
    5
    retumbo has worked good for me..

  5. #5
    Join Date
    Jul 2005
    Location
    DFW Texas
    Posts
    201
    Dennis----you are going to think I am off my rocker but in both of my AI AWM's in 338 the best velocity, accuracy and shot-to-shot deviation was with IMR 7828.... That powder has not been the choice for my 338 Slowpokes, which are improved types, but the regular 338 it worked better than any of the other powders. The pills were 250 SMK's.

  6. #6
    Join Date
    Aug 2008
    Location
    Colorado
    Posts
    3
    I have had good results with H869

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