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Thread: 30-06 Ackley Improved advice and opinions pls

  1. #1

    30-06 Ackley Improved advice and opinions pls

    Hi guys,
    The 30-06 i had ended up having excessive headspace and was going to be the donor action for an african big game rifle. But the gunsmith who took it off me had a thought, and said i may be able to get it back if he is able to turn it into an Ackley Improved 30-06, as someone he knows may have the tooling to sort the chamber out?!

    This is the 1st time i've heard of this so after opinions or advice about it please. Will i need to reload the rounds myself and does it use normal 06 cases?

    Anything else i need to know?

    Cheers

    Stratts
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  2. #2

  3. #3
    I can't see how a simple chamber re-cut to Ackley spec could cure excessive head space ?
    I would have thought you would need to completely re-cut the chamber to either standard 06 or ai
    and set the barrel back to take out the extra headspace.
    If your going to pay for that (and it would still be a cheap rifle) you can choose which option for yourself.
    Yes you can as I understand it still fire factory ammo, that will fire form the brass to your ai chamber, from
    there you re-load for it, and reap the benefits of the extra powder capacity.
    But I don't see the ai route as a fix for your problem, it is there for the people for whom a standard 06 is not enough
    ​or for those that want to limit case length growth on hot loads.

    Neil.

  4. #4
    Ok thanks mate i'll see what he says it was only a brief conversation tbh
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  5. #5
    Simple the barrel is removed and one thread is turned off then the chamber is reamed to the AI spec and the tenon re-cut along with the counter bore for the bolt head.

    Of course this means the barrel will not have the same clearance that it did before in the fore stock.

    You can fire std 30-06 ammunition providing the chamber is cut as Ackley specified to allow this. I doubt the SAMMI mutilated version will.

  6. #6
    308 norma mag?

    ​Cheers Sharkey

  7. #7
    You really think the 30-06 is short on oomph??? and if you are recutting the chamber surely recutting to 30-06 would be the way forwads as long as there is meat in the barrel - would this not entail a list of other things to be done such as reproof etc?

    Retgards,

    Gixer

  8. #8
    Quote Originally Posted by gixer1 View Post
    You really think the 30-06 is short on oomph???
    The Norma mag was designed to be an easy rechamber for 30 06, when "magnums" were popularised. Norma was producing brass when no factory was chambering rifles. Its reported to be a more accurate chambering than the 300 win mag & can be loaded down to ought six levels, if "oomph" was really a concern. It can headspace off the belt if the chamber is overly long where as the improved may not, however I'd still headspace off the shoulder & forget the belt if you can.

    Cheers Sharkey
    Last edited by sharkey; 27-05-2013 at 13:46.

  9. #9
    It's been looked into and is not a viable option as the headspace issue will still be present.

    I have sourced a couple NOS original BSA 06 barrels though and am just mulling over if it's worth spending the money getting it re-barrelled with one of these if they fit the action ok!

    Still wouldn't be screwcut and the rifle would need re-proofing as the barrels are unproofed blanks, but I may get it cut at the same time,

    Stratts
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    DSC1 forum sponsorship - Blogs - The Stalking Directory

  10. #10
    get the barrel set back 1 thread and have the chamber re-cut, should be a quick job without too much cost.

    speak to another gunsmith.

    Quote Originally Posted by stratts View Post
    It's been looked into and is not a viable option as the headspace issue will still be present.

    I have sourced a couple NOS original BSA 06 barrels though and am just mulling over if it's worth spending the money getting it re-barrelled with one of these if they fit the action ok!

    Still wouldn't be screwcut and the rifle would need re-proofing as the barrels are unproofed blanks, but I may get it cut at the same time,

    Stratts
    “One does not hunt in order to kill; one kills in order to have hunted.” - Jose Ortega y Gasset

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