6.5 creedmoor 123 grain SST

Discussion in 'Handloading and Reloading' started by Kwaynem, Jun 1, 2019.

  1. Kwaynem

    Kwaynem Member

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    Has anyone had any luck reloading the 123 grain SST with H4350?
     
  2. farmerboy78

    farmerboy78 Member

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    You can, but I think varget would be a better powder for that weight bullet
     
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  3. jmr40

    jmr40 Member

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    H4350 will give 50-60 fps more speed than Varget. Can't say if it would be more accurate, but H4350 is pretty much the go-to powder for 6.5's. I've never fooled with anything lighter than 140's so I can't comment on the 123's specifically
     
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  4. South Prairie Jim

    South Prairie Jim Member

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    Have you heard of the secret Carolina load
    140 gr class Bullets
    44.3 H4831sc
     
  5. Kwaynem

    Kwaynem Member

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    I know the 140’s are very accurate I was just considering the 123’s for possibly a deer hunting round I just got into the 6.5 creedmoor as of right now all I have shot is paper. I been using superformance but I been seeing where a lot of guys say that H4350 was their go to powder
     
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  6. Allen One1

    Allen One1 Member

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    I shot the 120 SMK with Varget and they shot very well. Should have probably stayed with it but I wanted a heavier bullet and moved to the 140 ELD.
     
  7. Kwaynem

    Kwaynem Member

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    What about superformance and the 143 g eldx
     
  8. Kwaynem

    Kwaynem Member

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    Or use H4350 with it also?
     
  9. LoonWulf
    • Contributing Member

    LoonWulf Contributing Member

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    I've run both sup and h4350 behind 123s and 143s. Using sup loaded long I was hitting 2750-2850 with the 143s in 3 different 6.5cms. accuracy has been moa or better

    H4350 was about 100fps slower with similar accuracy.
    Rl-17 is also a good powder for the 6.5cm and 140 class projectiles.

    With the 123s sup turned in bout 3k, and h4350 got 2850ish, accuracy wasn't great in the one rifle I tried it with.
     
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  10. Kwaynem

    Kwaynem Member

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    BCDFAE20-0D7A-4246-9289-F9EF5E3A2CBB.jpeg I done a test of a few different loads and this was the best group other than the one I jerked to the left I knew as soon as I done it close to the max load but no over pressure sighns I might go up another .5 or full 1.0
     
  11. South Prairie Jim

    South Prairie Jim Member

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    ^^^this
     
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  12. Kwaynem

    Kwaynem Member

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    That was a 143 gr eldx not an sst but no I haven’t heard of that I haven’t ever tried any of the H4831sc yet
     
  13. horsemen61

    horsemen61 Member

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  14. Kwaynem

    Kwaynem Member

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    Ok this is going to drive me nuts what is Ttrl?
     
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  15. horsey300

    horsey300 Member

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    I've been operating under the hope that it means "Tagged To Read(maybe reply) Later" but I too would like to know for sure!
     
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  16. horsey300

    horsey300 Member

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    Nosler Says 40.5 to 44.5 with accuracy around 42.5 for 2877 fps out of their barrel, I'm interested too as a 123 sst humming around 2800 out of a 20" tube sounds close to what I want my cm hunter build to perform at by this fall for either my kid or wife to run (whoever loses the fight over the cm will get the old standby .243 I can only afford to build so many at one time lol).
     
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