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Thread: unknown cartridge

  1. 03-12-2024, 12:17 PM #1
    Czech_too
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    Question unknown cartridge

    Happened across a cartridge the other day, supposedly a 25-20 WCF, which now has me wondering if it is a 25-20. For starters there is no sign of there ever being a headstamp. That's a first, for me at least. Then in comparing this casing to a factory casing I find that it's shorter by .20" with an OAL of 1.178", from the base of the rim to the bottom of the shoulder is roughly .790", OAL of the round is 1.496", round nose lead bullet. Diameter of the bullet is .258 at the case mouth. I'm doubting that this is a factory round due to the color and shape of the primer. The primer has the appearance of a Federal primer and it's flat vs. the slightly convex appearance of a factory round.

    My photo attachment abilities are eluding me today, otherwise ...

    Sometimes I can muddle my way through it!
    Last edited by Czech_too; 03-12-2024 at 12:43 PM.
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  2. 03-12-2024, 12:40 PM #2
    Czech_too
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    Attachment 324463Attachment 324464

    The round on the right is a 'bona fide' 25-20 WCF, the round on the left is a question mark.
    Attached Thumbnails Attached Thumbnails IMG_20240312_091632690_HDR~2.jpg   IMG_20240312_091726788_HDR~2.jpg  
    Last edited by Czech_too; 03-12-2024 at 02:03 PM. Reason: picture(s)
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  3. 03-12-2024, 12:43 PM #3
    Tall
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    Invalid attachment.
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  4. 03-12-2024, 01:12 PM #4
    Czech_too
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    When I click on it, it shows. In other words, I don't know.
    I'm not paid to think anymore.

    I'll try it again, after that ...
    Last edited by Czech_too; 03-12-2024 at 02:05 PM.
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  5. 03-12-2024, 01:21 PM #5
    BK7saum
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    Photos are not visible. Invalid...
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  6. 03-12-2024, 01:24 PM #6
    maxreloader
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    can't see pics
    Looking for Ideal mold 419181 (44 Evans Long)
    "Joined Dates" are deceiving if you factor-in "lurk" dates.
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  7. 03-12-2024, 02:24 PM #7
    MUSTANG
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    Definitely two different cartridges. Shoulder on left is considerably lower than shoulder on the right.
    Mustang

    "In the beginning... the patriot is a scarce man, and brave and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot." - Mark Twain.
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  8. 03-12-2024, 02:32 PM #8
    HWooldridge
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    Could it be one of those British rook rifle cartridges?

    https://en.wikipedia.org/wiki/.255_Jeffery_Rook
    Last edited by HWooldridge; 03-12-2024 at 04:04 PM. Reason: Added link
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  9. 03-12-2024, 03:32 PM #9
    218bee
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    Maybe one of these? From "Cartridges of the World" unfortunately no dimensions. I guess with longer neck, maybe the ROOK cartridge.
    Click image for larger version.  Name: IMG_1365.jpg  Views: 4  Size: 51.3 KB  ID: 324468Click image for larger version.  Name: IMG_1366.jpg  Views: 4  Size: 50.7 KB  ID: 324469
    Click image for larger version.  Name: IMG_1367.jpg  Views: 3  Size: 43.1 KB  ID: 324470Click image for larger version.  Name: IMG_1368.jpg  Views: 3  Size: 36.5 KB  ID: 324471
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  10. 03-12-2024, 04:53 PM #10
    Delkal
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    Is the base diameter of the two cartridges the same? The rim thickness of the 25-20 looks a lot thicker than the Rook so maybe someone turned it to fit? This could explain the lack of a headstamp.

    But this is just a guess........
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  11. 03-12-2024, 05:34 PM #11
    Kai
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    This is my guess.
    Click image for larger version.  Name: 20240312-132949-1.jpg  Views: 37  Size: 53.8 KB  ID: 324479
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  12. 03-13-2024, 05:25 AM #12
    Czech_too
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    Quote Originally Posted by Kai View Post
    This is my guess.
    Click image for larger version.  Name: 20240312-132949-1.jpg  Views: 37  Size: 53.8 KB  ID: 324479
    The title of your reference book please. I have Cartridges of the World.
    And thank you all.
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  13. 03-13-2024, 07:39 AM #13
    Battis
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    What's the base diameter? It's close to a Tokarev 7.62x25 but not exact.
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  14. 03-13-2024, 10:00 AM #14
    Czech_too
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    I load for the 7.62x25, definitely not it.
    The rim dia. is .397, base dia. is .347 and with the aid of a magnifying glass see that there is no extractor groove on the casing.
    https://wbrpc.org/

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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