Comparing velocity out of G19C, G34, G26

Discussion in 'General Glocking' started by Underwhere, Mar 20, 2010.

  1. Underwhere

    Underwhere

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    I went to the range to gather some data and figured I'd post it up for those who are interested in seeing it...or for just future reference if anyone wants to know or happens to search later on for it.

    This data was all collected today, 73 degrees out and sunny.
    Same chronograph, same session etc.

    It would appear that the G19C and the G26 shoot about 100fps slower than the G34.

    [​IMG]
     
    Last edited: Mar 20, 2010
  2. CynicX

    CynicX

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    Thanks for posting good information.

    The results seem to make sense too me. The 19 is compensated and the 26 has a shorter barrel....

    How much difference did you notice between rounds in the same gun?
     

  3. Underwhere

    Underwhere

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    My reloads were extremely soft shooting and would eject like popcorn, going about 5 inches up in the air and landing directly to my right.

    All other rounds would eject several feet away.
     
  4. CynicX

    CynicX

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    I mean how much of a velocity did you notice a difference of? I'm assuming those are averages of 10 rounds. Did you record the minimums and maximums of each?

    I'm just curious of the tolerances in the factory ammo...
     
  5. MrVvrroomm

    MrVvrroomm

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    Thanks for the data.
     
  6. Underwhere

    Underwhere

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    Oh.

    Out of my G34 the standard deviation was:
    My reloads: 16.34 fps
    Blazer: 5.19 fps
    Lawman: 9.14 fps
    HST: 13.85 fps
     
  7. CynicX

    CynicX

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    interesting. I would consider that being pretty consistent. Even the reloads with the highest variation I wouldnt consider 16 fps anything...
     
  8. Butch

    Butch RetiredDinosaur CLM Millennium Member

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    Here's some chronograph results from a post I made some years ago. It's interesting to see how similar the velocity levels are between our 'C' guns and the next smaller models.

    ----------------------------

    I chronographed five different brands of factory ammo through (five) different 9mm Glocks a few days ago in 40 degree temperatures. Except for the Corbon 124 grain loads, all loads had 115 grain bullets.

    Three shot strings were fired with the Corbons (I had only one 20 round box), and five round strings were fired with the rest of them. The velocity shown represents the average speed in feet per second (fps).

    I found the velocity loss in the G17C to be interesting......

    -------------------------------G34---G17---G17C---G19---G26
    Win White Box------------1200--1165---1108---1095---1054

    CCI Blazer Brass---------1119--1086---1049---1056---1024

    Fiocchi---------------------1203---1157--1115----1157---1097

    Federal 9BPLE(+P+)--1275---1245---1187---1195---1171

    Corbon 124gr. (+P)----1274--1233---1225----1229---1187


    .
     
  9. GOA Guy

    GOA Guy

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    Thanks to Butch and Underwhere! Very interesting stuff. About ten years ago I did some similar comparisons of different 1911s in 45 ACP. 5", 4.25", and 4" barreled guns. The results weren't near as linear.
     
  10. ricklee4570

    ricklee4570

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    Thanks for the info!
     
  11. JoeCitizen

    JoeCitizen

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    The numbers are different but this is the same kind of results I've gotten from chronographing my G27, 23, 35.