.50 cal Gi for glock

Discussion in 'Semi-Auto Handguns' started by FaTmAn, May 2, 2011.

  1. FaTmAn

    FaTmAn New Member

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    I just saw an add in one of my gun magazines for a drop-in conversion unit for Glock 20/21 pistols making it a .50 cal GI. I like the concept but didn’t know much about the round and the ballistics so did some research and thought I would share what I have found with you all.



    50GI

    Guncrafter Industries : Specials

    Guncrafter Industries : Specials

    October 1, 2008, 08:20 PM
    Special thanks to JK for their sponsorship of this test.

    ==========
    Brass Fetcher Ballistic Testing

    Test # JK 14
    Bare gelatin test (Nominal 10% concentration)

    Cartridge : .50GI Guncrafter Industries 300gr TMJ

    Block Calibration :

    Block 1 : 3.2 ± 0.05 inch penetration @ 588 ± 0.5 ft/sec. 37.0degF
    Block 2 : 3.1 ± 0.05 inch penetration @ 570 ± 0.5 ft/sec. 37.7degF
    Block 3 : 3.1 ± 0.05 inch penetration @ 597 ± 0.5 ft/sec. 37.4degF

    Block Core temperature :

    Block 1 : 37.9degF
    Block 2 : 38.1degF
    Block 3 : 38.0degF

    Bullet Performance:

    Impact Velocity : 739 ± 0.5 feet/second
    Deepest Penetration Depth : 39.8 ± 0.05 Inch
    Maximum Crack Diameter : 1.1 ± 0.05 Inch
    Max Crack Diameter Location : 6.4 ± 0.05 Inch
    Cavitation Depth : 0.0-15.7 ± 0.05 Inch

    Notes:
    Weapon – Guncrafter Industries Model 1, with 5.0” barrel length
    Distance – 10.0 feet, muzzle to gelatin impact face
    Test site conditions - 66 deg F, 50% relative humidity
    Time out of refrigeration prior to shot impact - 8 minutes
    Bullet recovered weight – 302.6 ± 0.05gr
    Bullet recovered average diameter - 0.498 ± 0.0005"
    Bullet recovered length - 0.640 ± 0.0005"

    Bullet appeared to yaw significantly at 24.9” to 25.6” penetration depth.

    http://www.brassfetcher.com/JK 14 Entire track side view.JPG
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    http://www.brassfetcher.com/JK 14 Side View.JPG
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    http://www.brassfetcher.com/JK 14 Top View.JPG
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    http://www.brassfetcher.com/JK 14 Side View Block 2.JPG
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    http://www.brassfetcher.com/JK 14 Top View Block 2.JPG
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    http://www.brassfetcher.com/JK 14 Side View Block 3.JPG
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    http://www.brassfetcher.com/JK 14 Top View Block 3.JPG
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    http://www.brassfetcher.com/JK 14 Bullet View.JPG
     
    Last edited: May 2, 2011
  2. FaTmAn

    FaTmAn New Member

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    [ame=http://www.youtube.com/watch?v=yDfJtoHWc1A]YouTube - guncrafter industries .50 gi conversion unit. vs. .45 acp live shoot[/ame]


    [ame=http://www.youtube.com/watch?v=SCsRvg6BTEc]YouTube - 45 auto vs. 50GI conversion[/ame]
     

  3. WDB

    WDB New Member

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    Exactly what every Glock owner should go for
     
  4. sweeper22

    sweeper22 New Member

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    Nothing wrong with adding the conversion "just for the heck of it". But it's not a round with too many practical applications. Because it's extremely slow, I doubt it's able to do anything more than a 45acp already does. The velocity is the biggest shortcoming between the .50GI and rounds such as .50AE, .460Rowland, .44mag, and even 10mm...so it doesn't even really serve as an ideal hunting sidearm.

    Seems like it's more of an "I've got a fitty" novelty than anything else. But heck, I'd be happy to run a few mags through one if the opportunity ever arose.
     
  5. FaTmAn

    FaTmAn New Member

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    The price of the conversion kind of turned me off at 595.00 it cost more then the origanal firearm. and with no major differnce between the rounds. Its prolly not worth the bang for your or mine's buck
     
  6. mesinge2

    mesinge2 New Member

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    I could live with the cost of the conversion (I have 1911s in excess of that plus the cost of the gun).
    However, I would have a problem with the cost and scarcity of the ammo.
     
    Last edited: May 2, 2011