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G26 Gen 4 and Underwood 115 JHP +P+ report FAIL

Discussion in 'Caliber Corner' started by PocketProtector, Nov 21, 2012.

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  1. PocketProtector

    PocketProtector

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    Took my new G26 to range today. It has 150 perfect rds through prior to today.
    Start with PMC 115 gr FMJ. 50 rds. Perfect
    Next up, 2 mags of Gold Dot 124 gr JHP +P. Perfect.

    So, I turn to my son and say " now for Underwood 115 +P+ JHP, I hope the gun doesn't blow up"

    Third round jams, I mean totally jammed. Slide closed, could not rack the slide. Jammed completely. Try everything. At this point I think Theres a live round in chamber.

    Nervously, I disassemble, remove the RSA but cannot remove barrel. Wow.

    Finally after much effort, I am able to force the barrel out. Round is actually a fired round. Brass appears slightly bulged above the rim.
    Weak chamber support or bad ammo?
     
    Last edited: Nov 21, 2012
  2. Happypuppy

    Happypuppy

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    Bulged just above the rim most of the time indicates excessive pressure. I would contact Underwood.


    Sent from my iPad using Tapatalk HD
     

  3. intecooler

    intecooler

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    Do you have a picture of said rounds? Too many of us have shot these without issue but I'm willing to guess with a picture. Without that it could be 1 to 100 things.
     
  4. DRT

    DRT

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    this is why i wouldn't carry boutique ammo for self defense.
     
  5. PocketProtector

    PocketProtector

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    I'll look at the case tomorrow and measure it.
    Nothing seemed excessive, was actually surprised at how softly it recoiled.

    I'll carry the +P Gold Dots. They were perfect.
     
  6. intecooler

    intecooler

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    Post a picture. Without that speculation will run rampant on what occured.
     
  7. PocketProtector

    PocketProtector

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    Just looked at the case and it seems ok. Diameter right above rim is .390.

    I'll take a good look at chamber, extractor and breech face tomorrow.

    [​IMG]

    [​IMG]
     
    Last edited: Nov 21, 2012
  8. cowboy1964

    cowboy1964

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    +a bazillion.
     
  9. intecooler

    intecooler

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    Can you take a picture of that primer? It sure does look to be punctured through.

    So you guys wouldn't carry Underwood's Ammo for protection? Does that mean you are saying DoubleTap, Buffalo Bore and Underwood are lumped in Bouitque? Bad components, manufacturing or what?

    I have had no problems with Underwood across many calibers and platforms and same for BB and DT.
     
  10. PocketProtector

    PocketProtector

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  11. intecooler

    intecooler

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    Looks like the same picture. See if you can push air through. I hate to say blow on it but that primer looks punctured and could have let pressure escape.
     
  12. uz2bUSMC

    uz2bUSMC 10mm defender

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    That because it has already been proveven in this thread that the ammo was the problem? Or is it because the big names never have problems with their product?
     
  13. dkf

    dkf

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    Is what happens when you are loading to max near the "raged edge". A little bullet setback when chambered, weaker piece of brass, weak primer, small amount over on the powder and etc could risk getting a boo boo or a KB.
     
    Last edited: Nov 22, 2012
  14. intecooler

    intecooler

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    And these things have never happened to the the big name MFG's?
     
  15. PocketProtector

    PocketProtector

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    Another question: when I disassemble the gun, the FP is protruding from slide.
    Normal?

    [​IMG]
     
  16. mr.z28

    mr.z28 learning...

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    won't let you put the slide on the frame otherwise...
     
  17. Andy W

    Andy W

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    So how does a punctured primer result in a case being stuck in the chamber? Maybe it was slightly bulged too. Seriously I don't think I'd use too much of this stufff. I don't think 9mm was intended to be loaded this hot.
     
  18. dkf

    dkf

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    Yeah. You should be able to pull back on the back part of the firing pin and the saftey should snap into place and prevent the firing pin from protruding until the trigger is pulled.
     
  19. intecooler

    intecooler

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    Can you Mic the brass and tell us if the primer has a hole in it?
     
    Last edited: Nov 22, 2012
  20. tango44

    tango44

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    I just stay away from +P+ with 9mm!
    Corbon & Gold Dots for me!