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Kirby Allen

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  #8  
Unread 12-16-2005, 10:19 PM
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Re: Kirby Allen

Kirby built my Kahn, but I don't know where the Kahn originated. Maybe Kirby will pick up this thread and he may know who designed it.

Mine is built on a Weatherby action. I sent Kirby my 338-378 because it was not shooting well. When I got it back from him things had changed a bit [img]/ubbthreads/images/graemlins/grin.gif[/img]

He is currently building me a new rifle on a Nesika Bay action. It is going to be a 338 Lapua unless I change my mind and go with the Lapua Imp. or another Kahn.
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  •   #9  
    Unread 12-17-2005, 10:39 AM
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    Re: Kirby Allen

    Derek M.,

    RDM416 is right on with his reply with one exception, the shoulder angle is 35 degrees instead of 30 degrees. Everything else in on the money.

    I DID NOT design the Kahn. It is the work of Kenny Jerrett and my reamer is built to his exact specs. That said, I will be returning my reamer to have the throat angle modified from Kennies 3 degree angle to a 1-30-00 angle which will be much more pressure friendly when using hard bullets. Should offer a much shallower pressure curve with these hard bullets.

    RDM416 can take over his rifle specifics from here.

    Kirby Allen(50)
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      #10  
    Unread 12-19-2005, 03:14 PM
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    Re: Kirby Allen

    I can't wait for the .338/.408 Allen Mag. My CZ550 might see Kirb after he finishes the details!!! [img]/ubbthreads/images/graemlins/cool.gif[/img]
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      #11  
    Unread 12-19-2005, 09:55 PM
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    Re: Kirby Allen

    Mindcrime:

    What length will the CZ550 hold? The loaded 338-408 is darn near 4.30" long. I know it will work with the 505 gibbs, but that uses a short bullet.
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      #12  
    Unread 12-20-2005, 04:16 PM
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    Re: Kirby Allen

    [ QUOTE ]
    Mindcrime:

    What length will the CZ550 hold? The loaded 338-408 is darn near 4.30" long. I know it will work with the 505 gibbs, but that uses a short bullet.

    [/ QUOTE ]

    Max loaded length in the CZ is about 3.85". I was just hoping for a short throat, so I would stick with 250 grain bullets. [img]/ubbthreads/images/graemlins/blush.gif[/img] I have two sample .408 CheyTac sample rounds and with the base of the cartridge seated to the back of the box magazine, I still have around .70" more length for bullet length. That would seat a 250 gr. Barnes X pretty deep in the case; the base of the bullet would be slightly under the shoulder junction. [img]/ubbthreads/images/graemlins/tongue.gif[/img]

    Kirby keeps trying to talk me into a .338 Kahn, since he has the reamer already. Maybe that would actually make more sence because the Cheytac is going to need at least a 30 inch barrel to burn all that power. [img]/ubbthreads/images/graemlins/crazy.gif[/img]

    ......Or maybe the .416 PGW, which is a Cheytac necked up for .416 bullets (of which I have plenty of---I have TWO .416 Rigbys). [img]/ubbthreads/images/graemlins/smirk.gif[/img]
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      #13  
    Unread 12-20-2005, 10:23 PM
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    Re: Kirby Allen

    Mindcrime

    It takes a 32" minimum bbl to burn the powder with the 338-408imp round. H50BMG powder
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