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Thread: .458 Express

  1. #1

    Default .458 Express

    Hello fellow hunters,

    I would like to get a .458 Express, preferably on a ZKK 602 action.
    I would also buy a .458 win mag and have it converted to Express.

    So far the plan.

    Can somebody possibly mail me the reasoning of Prof Badenhorst, why he developped this calibre and what the shortcomings of the 458 Lott are.

    Any advice, opinions, experiences are welcome.

    Cheers, B.W.

  2. #2
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    Default Re: .458 Express

    A thread worth following. Please share here of you can.
    Don’t take life too seriously, no one gets out alive.

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    Default Re: .458 Express

    Quote Originally Posted by bwana wali View Post
    Hello fellow hunters,

    I would like to get a .458 Express, preferably on a ZKK 602 action.
    I would also buy a .458 win mag and have it converted to Express.

    So far the plan.

    Can somebody possibly mail me the reasoning of Prof Badenhorst, why he developped this calibre and what the shortcomings of the 458 Lott are.

    Any advice, opinions, experiences are welcome.

    Cheers, B.W.
    I shoot a 458 Express.

    The idea behind Prof was, to relieve pressure that one gets with a hot 458 Lott load if your hunting like say the Zambezi valley where temperatures gets high.
    The little extra case capacity relieves the pressure and prevents the cases from sticking to chamber walls that helps with extraction.

    He also decided to use the 3” case as to take full advantage of the 602 magazine length.

    I shoot a 500gr at 2250fps without powder compression where a Lott would start compressing the powder.

    Problem is, now that PMP is no longer with us.
    Cases are becoming a problem.

    One can only get Bertram and I fount that after 3 firings the primers are becoming loose which I never had with PMP.

    Getting that long cartridge to feed perfectly under stressful conditions need someone that knows what they are doing and as far as I know, Daniel Joubert that did mine no longer does gunsmithing (what I’ve heard and not fact)

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    Default Re: .458 Express

    As i understand the reasons in the previous post why not stick with a LOTT ?

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    Default Re: .458 Express

    If you want more case capacity than offered by the Lott, either the .450 Rigby or the .460 Weatherby magnum will work in the ZKK 602 action. Cases and factory ammunition is available, although expensive.

    But, do you really need more velocity than the .458 Lott can offer?

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    Default Re: .458 Express

    There is a cz 550 in 458 exspress available at Lekana gunshop polokwane.

  7. #7
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    Default

    Quote Originally Posted by 458Exp View Post
    I shoot a 458 Express.

    The idea behind Prof was, to relieve pressure that one gets with a hot 458 Lott load if your hunting like say the Zambezi valley where temperatures gets high.
    The little extra case capacity relieves the pressure and prevents the cases from sticking to chamber walls that helps with extraction.

    He also decided to use the 3” case as to take full advantage of the 602 magazine length.

    I shoot a 500gr at 2250fps without powder compression where a Lott would start compressing the powder.

    Problem is, now that PMP is no longer with us.
    Cases are becoming a problem.

    One can only get Bertram and I fount that after 3 firings the primers are becoming loose which I never had with PMP.

    Getting that long cartridge to feed perfectly under stressful conditions need someone that knows what they are doing and as far as I know, Daniel Joubert that did mine no longer does gunsmithing (what I’ve heard and not fact)
    Would Hansie Minnaar of Stewart Bullets not be able to make cases?
    Don’t take life too seriously, no one gets out alive.

  8. #8
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    Default Re: .458 Express

    Not to detail the thread, but if you looking for a low pressure, hard hitting big bore, and a 458 exp is problematic, why not consider the 404 Jeffery, .422 dia bullet at 2150fps is plenty for DG
    Don’t take life too seriously, no one gets out alive.

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    Default Re: .458 Express

    I shoot a 500gr SBC at 2200fps in my 458 Lott. You don't need anything else more unless you have an itch that needs scratching.
    That being said, Rudi's 450gr SBC in a 458WM is a gamechanger at 2200fps.
    If the SBC 450's were around 5 years ago, my Lott would still be a WM. But I do like those 500grs........
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    Default Re: .458 Express

    Quote Originally Posted by TStone View Post
    If you want more case capacity than offered by the Lott, either the .450 Rigby or the .460 Weatherby magnum will work in the ZKK 602 action. Cases and factory ammunition is available, although expensive.

    But, do you really need more velocity than the .458 Lott can offer?
    something I have learned, speed and big bullets are not fun to shoot, my 458 Lott shoots a 450g and is actually tame for a Lott .
    I don’t wish to change the OP mind but the Lott is a great stopper with lots of accessories available, respectfully the issue of powder over heating was with older powders , modern powder has come a long way.

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