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Thread: Need help ID big 375

  1. 08-15-2019, 06:23 PM #1
    orisolo
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    Need help ID big 375

    Hi guys
    We got a couple of bad cases Mark
    375 hs BB
    Don't look anything like 275hh
    Anyone know what is it?
    Thank you for the help
    Ori
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  2. 08-15-2019, 07:15 PM #2
    sav300
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    Maybe Bruce Bertram,a obsoletie casemaker in Victoria.
    The kangaroo should give it away.
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  3. 08-15-2019, 07:26 PM #3
    chuckbuster
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    Length, head and rim diameter could help identify what case it is based on.
    K
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  4. 08-17-2019, 11:56 AM #4
    GL49
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    Maybe Bruce Bertram,a obsoletie casemaker in Victoria.
    The kangaroo should give it away.



    Yep, sav300 had a great idea.
    I went to the Bertram Brass website, the headstamp shows on their home page in the background picture, but I couldn't find info about the case in their picture. Their .375 caliber options show the same piece of brass, none that seem to make sense to me. They do have a button that says "contact".
    To get to the page listed below, go to their site and click on the "shop" button, hovering over it won't get you all their options.

    https://bertrambrass.com/product-cat...uncategorized/

    If you figure it out, let us know.
    Last edited by GL49; 08-17-2019 at 12:02 PM.
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  5. 08-17-2019, 12:56 PM #5
    bikerbeans
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    Looks like a necked down 416 Rigby.

    BB
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  6. 08-17-2019, 01:32 PM #6
    skeettx
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    Look at this picture

    https://bertrambrass.com/

    Send them an email

    maybe the 375 CheyTac

    Mike
    Last edited by skeettx; 08-17-2019 at 01:39 PM.
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  7. 08-17-2019, 03:10 PM #7
    David2011
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    What IS the case head diameter? Looks like a small artillery shell compared to the .375 H&H. I have a .375 H&H so I have a feel for how big it is. The H&H rim is .532" and the Rigby is .590". That BB case looks like it's almost twice the diameter of the H&H.
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  8. 08-18-2019, 10:39 AM #8
    SOFMatchstaff
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    Ori, its a 375 Chey Tac case, .635 base dia, about 3.00+- length. I got a bunch of them to convert to 408 Chey tac from a supplier in Montana. check the case mouth to see if its actually .375 or .408 ?? Might be one I loaded here locally.

    AL
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  9. 08-18-2019, 12:09 PM #9
    jsizemore
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    parent case 505 Gibbs
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  10. 08-19-2019, 11:03 PM #10
    Brokenbear
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    Well what ever it is ...I can tell ya a 1lb can of 4831 taint gonna load very many!

    Bear
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  11. 08-20-2019, 06:22 PM #11
    jsizemore
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    Quote Originally Posted by Brokenbear View Post
    Well what ever it is ...I can tell ya a 1lb can of 4831 taint gonna load very many!

    Bear
    But you ain't gonna wanna pull the trigger on very many!
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check