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Thread: .30-40 Krag

  1. #1
    Boolit Bub
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    Mar 2010
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    .30-40 Krag

    Is it wise to form Krag cases from .303 British? Else nothing is close. Other than a slightly shorter case, any other problems?

    Danke

  2. #2
    Moderator
    Texas by God's Avatar
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    I have one .303 case that I ran through the 30-40 sizing die last year.( after reading of it here).
    Itís a little bit short but since I donít crimp the bullets in my Krag- it works just fine.


    Sent from my iPhone using Tapatalk

  3. #3
    Boolit Master
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    Back years ago during the first Krag brass shortage I used 303 brass to form 30/40. Case is short but unless you need to crimp it worked fine. My Krag had a rather long head to shoulder dimension and I sized the 303 a little at a time until the bolt would just close on the case and then neck sized after that. Cases held up well and used them until 30/40 brass became available again.

  4. #4
    Boolit Master

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    I tried it just to see how it worked if I needed to. Several reloads and it worked fine.
    Take a kid along

  5. #5
    Boolit Buddy
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    I did it in the past with no problems.

  6. #6
    Boolit Master
    Mr Peabody's Avatar
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    I've done it with no issues

  7. #7
    Boolit Bub Jungle Dave's Avatar
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    I've done it for years for my 95' Win. I don't have to crimp with the 95'. Works like a charm, but I anneal the cases prior. Not sure annealing is 'absolutely' necessary, but can't hurt.

  8. #8
    Boolit Master 15meter's Avatar
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    Quote Originally Posted by Jungle Dave View Post
    I've done it for years for my 95' Win. I don't have to crimp with the 95'. Works like a charm, but I anneal the cases prior. Not sure annealing is 'absolutely' necessary, but can't hurt.
    Annealing is absolutely necessary for case longevity. Properly annealed cases will get groups more reloads as opposed to not annealing.

    06 brass who cares? Shoot it until it splits then toss. 30-40, you nurse every loading you can get out of them.

  9. #9
    Boolit Bub Jungle Dave's Avatar
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    I should have clarified, yes, absolutely necessary, except when I form I use new Prvi Partizan cases pre-annealed, and it may not be entirely necessary at that stage, but very much so for repeated loadings. Then again, I have always annealed the pre-annealed Prvi's as well, so not sure if they might need it as well, but I'm guessing no, although I do it anyway. If one is using once-fired .303 brass, then for sure, anneal.

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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