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Thread: Cor-Bon/Robinson 6x45 caliber

  1. #1
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    Cor-Bon/Robinson 6x45 caliber

    Cor-Bon and Robinson Armament have created a new caliber called the 6x45

    The 6X45 is a 5.56x45 case necked-up to 6mm projectile. The 85gr DPX bullet has a muzzle velocity of 2,800fps and approx. 1480lbs at the muzzle with a 16" barrel

    In terms of terminal performance can anyone here speculate how such a bullet will perform compared to other duty class calibers, and with threat incapacitation
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  2. #2
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    Is this a standardization of the 6x45mm wildcat of old or did they mess with it? Because thats a popular old wildcat.

  3. #3
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    Quote Originally Posted by RyanB View Post
    Is this a standardization of the 6x45mm wildcat of old ?
    That's what it sounds like to me.

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    Sounds like a 6.8 competitor and better suited for PDW and short range incapacitation.
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    I guess... why?

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    Another entry in the quest for perfect 6mm assault rifle round. Good luck.

    Personal opinion:

    Barring a leap ahead in personal weaponry (railguns, death rays, ect) the next big thing should be rifles with bbls in the 16-18" range that can launch a 100gr bullet with a MV of 3000fps.

    There will also be a continued push for PDWs. Right now, the Army has PDWs in the force. They ARs with 10" bbls. However, they are only in the hands of SF. It would not surprise me in the least to see a move to put PDWs in the hands armor crews, truck drivers, MPs and other such troops who have traditionally been armed with pistols and SMGs.

    The Army has long sought a single ammunition. The SAW was originally developed as a 6mm. The next big round needs to be effective in SAWs, DMRs, assault rifles and PDWs. It needs to be powerful enough for the SAW and DMR role, but not so overloaded that it cannot be operationally effective in a 10" bbl.

  7. #7
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    Hmmm...sounds like you have described 6.8 mm.

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    Would be a nice kids gun in a Sako 461.

  9. #9
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    Doesn't require new mags like the 6.8/6.5 etc.

    Legal for hunting where the .223 might not be.

    Better terminal performance from heavier bullets than can be used in the 5.56.

    Sounds like an option worth looking into. I've been contemplating an upper in this caliber myself but all I can find are 20" or 11'5"/5.5" FS versions.
    Last edited by TangoChaser; 03-02-09 at 10:08.

  10. #10
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    Not as good as the 6.8 SPC, but it might sell better in a post AWB USA. Since it would work with 5.56 magazines which are the most plentiful magazine in circulation, it will likely be a better alternative in a post ban world. I think Robinson and Corbon are introducing this cartridge in anticipation of a new AWB which is seems both the Dems and Repubs are drooling over right now.

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