improved 30.06

Discussion in 'Long Range Hunting & Shooting' started by ducmarc, Jan 10, 2014.

  1. ducmarc

    ducmarc Well-Known Member

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    i'm sure this has been hashed over more than once but besides the A.I. is there any other improved 06"s out there and is it worth the trouble? i reload so thats not a real issue thaxnks
     
  2. MudRunner2005

    MudRunner2005 Well-Known Member

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    I'm not sure what you mean? Do you want to know if there's any other improved versions of the .30-06, or do you want to know all the Improved calibers based on the '06 cartridge?

    I mean you have all the crazy wildcats out there. Then you have some more common calibers like:

    6mm-06
    6mm-06 AI
    .25-06
    .25-06 AI
    6.5-06
    6.5-06 AI
    6.5 Sherman
    .270
    .270 AI
    .30-06
    .30-06 AI
    .338-06
    .338-06 AI

    But I'm sure there's all kinds of other crazy stuff inbetween and larger and smaller calibers.
     
  3. TJAY

    TJAY Well-Known Member

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    There is the 30 Gibbs. I do not if is worth the trouble, only you know how much you will put up with.
     
  4. MudRunner2005

    MudRunner2005 Well-Known Member

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    I forgot all the Whelen calibers are based on the .30-06 cartridge, too.
     
  5. MontanaRifleman

    MontanaRifleman Well-Known Member

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    You want an improved 30-06? Get a 300 RCM for the same performance and no fireforming.
     
  6. cruizer

    cruizer Well-Known Member

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    30-06 ackley is a great caliber. go for it.
    you will enjoy it.
     
  7. ducmarc

    ducmarc Well-Known Member

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    was thinkin about the 30.06 AI but figured to ask before ventured that way
     
  8. MontanaRifleman

    MontanaRifleman Well-Known Member

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    You asked, "...is it worth the trouble?" What is worth the trouble to you? The 30.06 AI will give you about 3 gr more capactiy than the standard .06 That will not get you another 50 fps. Is the fire forming worth it? If the cool factor is is what you like, then maybe it's worth it. If i want more performance than the .06, I would look at the RCM, SAUM and/or WSM.
     
  9. Lefty7mmstw

    Lefty7mmstw Well-Known Member

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    +1
    '06 ai went the way of the dodo when chrono's came into vogue.

    Going to a slower or progressive burn powder will net you more fps than an ai job on an '06 will. Better yet is to go bigger like a wsm or regular 300win. Most of the gains on ai rounds are actually from overloading as bolt thrust pressure signs like ejector marks happen at higher pressures. The '06 ai is especially feeble as there isn't a heck of a lot of shoulder to swing forward to a sharper angle.

    The rule on fps gained from capacity increase at equal pressure is 25% of the increase in volume as a percent. So if you have a 3% increase in volume you will have less than 1% increase in velocity given same pressure, bbl. length, propellant, etc.. You can't even slow your powder speed down much more as the capacity gains don't let you get into another speed range of powders.
     
  10. AZShooter

    AZShooter Well-Known Member

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    I once took advantage of the 30-06 AI for this reason: Barrel on win model 70 lightweight was worn out. My gunsmith had a new 308 win takeoff. The standard 30-06 won't clean up a 308 chamber but the 30-06 AI will.