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Thread: Rimless 380 Cartridge

  1. #1
    Boolit Buddy pete501's Avatar
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    Rimless 380 Cartridge

    Has anyone seen a true rimless 380 Auto cartridge?

    This was found while sorting out my junk ammo, mostly found or reloading boo-boo's.

    I suspect a manufacture defect.
    Attached Thumbnails Attached Thumbnails DSCF5049.JPG  

  2. #2
    Boolit Master redhawk0's Avatar
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    I'd say defect...there would be no way to extract it from a chamber.....or it could have been made as a projectile. Seeing that it's primed...I doubt the later.

    redhawk

    The only stupid question...is the unasked one.
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    "Common Sense" is like a flower. It doesn't grow in everyone's garden.

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  3. #3
    Boolit Master
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    What info is on the headstamp?

  4. #4
    Boolit Buddy pete501's Avatar
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    Blazer 380 Auto

  5. #5
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    Texas by God's Avatar
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    Wow. I haven’t seen that since….Never!
    How in the world did it get loaded?
    I guess the loading machinery doesn’t use shell holders?


    Sent from my iPhone using Tapatalk

  6. #6
    Boolit Buddy

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    Interesting, might be worth some free ammo. GW

  7. #7
    Boolit Grand Master FergusonTO35's Avatar
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    How old is it? I wouldn't be surprised if it was during an election year or covid, when manufacturers were doing everything they could to get product out the door.
    Currently casting and loading: .32 Auto, .380 Auto, .38 Special, 9X19, .357 Magnum, .257 Roberts, 6.5 Creedmoor, .30 WCF, .308 WCF, .45-70.

  8. #8
    Boolit Buddy
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    Could have been from a test run lot to see if the rim was needed, since 380's are blowback anyway. No rim saves on brass costs. Huh. Wonder....
    Pain heals, chicks dig scars, glory ... lasts forever.
    Retired USN
    NRA Life

  9. #9
    Boolit Master elmacgyver0's Avatar
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    Quote Originally Posted by Scorpion8 View Post
    Could have been from a test run lot to see if the rim was needed, since 380's are blowback anyway. No rim saves on brass costs. Huh. Wonder....
    There are some locked breech 380s out there.

  10. #10
    Moderator Emeritus


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    Swedged case to make a bullet.
    [The Montana Gianni] Front sight and squeeze

  11. #11
    Boolit Master

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    In my time I've seen factory ammo with:

    Bullets seated backwards

    Bullets not fully swaged to shape

    Bullets seated off-center (crushed case mouth)

    Primers in sideways or backwards

    No flash hole drilled in the primer pocket

    A single round of one type of a manufacturer's duty round mixed in with a box of ANOTHER of their duty rounds.

    +P stamped brass used to load ammo boxed as non-+P (verified by disassembly)

    But totally rimless and not an 1800's pinfire round? That is indeed a first.
    WWJMBD?

    In the Land of Oz, we cast with wheel weight and 2% Tin, Man.

  12. #12
    Boolit Buddy Texas Gun's Avatar
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    be fun to have

  13. #13
    Boolit Grand Master

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    Quote Originally Posted by Scorpion8 View Post
    Could have been from a test run lot to see if the rim was needed, since 380's are blowback anyway. No rim saves on brass costs. Huh. Wonder....
    I discovered a blowback 22 LR (Ruger 10/22) doesn't need an extractor to fire and cycle just like it was designed that way . It fed , fired and ejected shots as if nothing was amiss ... I only noticed the extractor missing when I went to unload a chambered round ... the round simply stayed in the chamber ... that was when I noticed that the extractor was ...gone .
    My habit is to load 5 or 10 rounds and shoot them all ... this time I decided to not fire the chambered round ... I thing it must have been blown off when an overly hot Winchester Wildcat round was fired ... that lot of ammo was recalled by Winchester ... but it was a while before I realized the extractor had gone bye-bye ! Ruger repaired the gun and gave me a new magazine !
    Gary
    Certified Cajun
    Proud Member of The Basket of Deplorables
    " Let's Go Brandon !"

  14. #14
    Boolit Grand Master bedbugbilly's Avatar
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    Interesting! That would e worth building a display case around it - an oddity for sure.

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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