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Thread: 338.06 A Square

  1. #1

    Default 338.06 A Square

    I have a 338.06 with a Brno action--Can I use bullets that are 338.06 A Square. What is the difference between them

    Thanks, Robert

  2. #2
    Member Dan in Alaska's Avatar
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    The Nosler #5 manual lists the cartridge as a .338-06. The Nosler #6 manual lists the cartridge as the .338-06 A-Square. The dimensions are the same.

  3. #3

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    short answer, yes

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    Yes...and congratulations on owning a rifle chambered for a very fine cartridge. I assembled one for my son as a college graduation gift a couple of years ago, and he loves it.

    The .338-06 A-Square is simply a .30-06 case necked-up to accept the .338 bullet. If you handload for this cartridge, it's easy to buy dies and resize .30-06 brass for the larger bullet. However, if you want the case stamp to read .338-06, or if you don't handload, you'll be limted to Weatherby brass or Weatherby factory ammunition...which is provided to Weatherby by...you guessed it...A-Square, and it's pretty spendy.

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    Member .338-06's Avatar
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    Now for the longish answer. The .338-06 has a fairly long history, first with .333 bullets then, after the .338 Win Mag was introduced, .338 bullets. It still is mostly formed as a wildcat round, but A-Square made an honest cartridge of her. This involves pressure standards, SAMMI and such. So, the .338-06 becomes the .338-06 A-Square.

    Murphy, of course, knows more and could tell it better.

  6. #6

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    Quote Originally Posted by .338-06 View Post
    Now for the longish answer. The .338-06 has a fairly long history, first with .333 bullets then, after the .338 Win Mag was introduced, .338 bullets. It still is mostly formed as a wildcat round, but A-Square made an honest cartridge of her. This involves pressure standards, SAMMI and such. So, the .338-06 becomes the .338-06 A-Square.

    Murphy, of course, knows more and could tell it better.
    What, you didn't like the short answer

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    Member alaska bush man's Avatar
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    I have used a 338-06 for years then Weatherby introduced a 338-06. I now have one of the Weatherby UL in 338-06.
    For years I used IMR 4320 with 225gr Hornady SP for some of my moose hunting, but today Reloader 17 is what I use.
    I can get 2700 FPS with the 225gr SP with Reloader 17.

    62.0 of RL 17 with CCI 250 mag
    63.0 of RL 17 with Fed 210 M
    WW brass
    Both loads 2700 FPS in 24"
    Alaska

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    Member akula682's Avatar
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    I was going to have one made but decided that the 338 Federal would be fine, didnt need to overlap that bad... not when i have the 338WM.
    Josh
    Back in Afghanistan, I hope for the last time.

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