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Thread: 30-40 Krag Question

  1. #1
    Boolit Master brstevns's Avatar
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    30-40 Krag Question

    What is bore diameter of your krag and what bullet are you using?

  2. #2
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    JonB_in_Glencoe's Avatar
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    They all vary.

    I've owned three over the years, one was .3085, and one was .3135
    one I bought and sold long ago, before I was a caster, and never slugged it.

  3. #3
    Boolit Grand Master Char-Gar's Avatar
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    Krag groove diameter varies from .3125 to .308 with most falling into .3095 range. Regardless of groove diameter they all have the same long and large throat. A .312 - .313 cast bullet will be accurate in 99% of the Krag rifles and carbines.
    Disclaimer: The above is not holy writ. It is just my opinion based on my experience and knowledge. Your mileage may vary.

  4. #4
    Boolit Buddy
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    I don't know, but.....

    Grooves are pitted, lands are mostly OK, muzzle is cleaning rod worn.

    Considering it's 105 years old in original issue configuration, it
    shoots the Lee 150 RF, powder coated, checked and lubed
    (seemed to help) over 17.5 grains of 2400 very accurately.

    Non-shooters enjoy being able to accurately shoot this
    historical piece with almost no recoil.

  5. #5
    Boolit Grand Master Texas by God's Avatar
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    A Krag rifle made in 1913? Wouldn't production have stopped by then with the adoption of the 1903 ? That sounds very young for a Krag..
    Mine, which I miss terribly slugged .309"

    Sent from my SAMSUNG-SM-G930A using Tapatalk

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    Kraschenbirn's Avatar
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    According to my B&S digital micrometer, my 1898 carbine slugs at .3096 and I shoot the Lee 309-200, PC'd and sized to .311. Accuracy is better than I can hold with iron sights.

    Bill
    "I'm not often right but I've never been wrong."

    Jimmy Buffett
    "Scarlet Begonias"

  7. #7
    Boolit Master brstevns's Avatar
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    Been looking at one that has a .311 bore, is the reason I asked

  8. #8
    Boolit Buddy jugulater's Avatar
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    Mine slugs about .312 and it happily chambers .314 boolits. i shoot the NOE version of the 314299 and have fantastic accuracy.

    id be less concerned about what it slugs and more concerned about chamber/throat erosion, and general barrel condition.

  9. #9
    PAPERPATCH MASTER


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    I have a sportered Krag from a gunsmiths estate that is an absolute nail driver when shooting Speer .30 cal. 165 gr. SP.Robert

  10. #10
    Boolit Grand Master Texas by God's Avatar
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    Mine loved the old Remington .310" RNCL 180 grs. It had a Redfield receiver sight and 5 shots in 1-1/4"@100yds was normal for my younger eyes back then. Amazing rifles; the pinnacle of American machining at the time and impressive still.

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  11. #11
    Boolit Buddy
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    Texas:

    Sorry---115 years old. 1903 acceptance cartouche.

  12. #12
    Boolit Buddy
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    +1 on the Rem .310 180RN, I have a Krag with a sewer pipe looking bore, and can shoot egg sized groups with a moderate load of IMR 4064. To bad I only have a half a box of them left. If I ever find some Hornady .311 RN I'll give them a try also.

  13. #13
    Boolit Master Reverend Al's Avatar
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    My .30-40 Krag is in a Winchester 1895 Saddle Ring Carbine, but it slugged at .310" as well. I'm planning to try some .312" boolits in it and might try a few that are powder coated as an option just to see how they shoot.
    I may have passed my "Best Before" date, but I haven't reached my "Expiry" date!

  14. #14
    Boolit Master brstevns's Avatar
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    How bad or good are they shooting .308 Jacket bullets in the larger barrels?
    Last edited by brstevns; 11-11-2018 at 11:13 AM.

  15. #15
    Boolit Grand Master Char-Gar's Avatar
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    Quote Originally Posted by brstevns View Post
    How bad or good are they shooting .308 Jacket bullets in the larger barrels?
    That is a question only your rifle can answer. I know that in my .3095 groove Krag, those dreadful little yellow .308 thingies can only turn in 4 - 5 MOA, but good well fitted cast bullets can turn in 2 MOA or slightly less all day long.
    Disclaimer: The above is not holy writ. It is just my opinion based on my experience and knowledge. Your mileage may vary.

  16. #16
    Boolit Master Mark Daiute's Avatar
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    Quote Originally Posted by brstevns View Post
    How bad or good are they shooting .308 Jacket bullets in the larger barrels?
    I had one that sprayed, yes sprayed jacketed bullets all over a 24-36 sheet at 50 yards. Seriously, I'm not talking a 1-foot group, I mean anywhere on the sheet, anywhere on a 24" X 36" in sheet. Anywhere, I can not stress that enough. Loaded with .312 lead bullets and 16.5 grains of 4759 and it grouped. It grouped 1-1/2" or better at 100 yards.

  17. #17
    Boolit Buddy JMax's Avatar
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    Mine slugs a little over 309 and I shoot 311 sized bullets to better fit the throat. I use the NOE Lyman equiv 314299 with 17.5 gr 2400. It slays clay pigeons with abandon at 100 yards with a Lyman 48 peep sight and 20" barrel.

  18. #18
    Boolit Master Drm50's Avatar
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    I've had several Krags and they all shot 308 Jackets. The last really good one I had was a Short Rifle.
    It's the only one I shot cast. I shot a#308278 Ideal bullet of about 195gr as cast /12.5gr Unique at
    about 1400fps. This shot well but no better than jackets. The jackets were salvaged GI bullets from
    1905 Frankfort Arsenal 30/40s. These bullets also shoot very well from my 1895 Win in 30/06.

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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