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Thread: Hit in the face by debris while firing?

  1. #21
    Ancient Gaseous Emanation Popeye's Avatar
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    This is an intermittent problem, the most difficult kind of problem to troubleshoot.

    I believe we've been able to rule out ammunition as a cause of the problem. Its not +P or +P+ ammunition. Two different manufacturer's ammunition exhibit the same problem.
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  2. #22
    Ancient Gaseous Emanation Popeye's Avatar
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    Quote Originally Posted by pianomanlja View Post
    also, if it's worth the look-see, the third picture I posted shows some of the leftover debris real well. That was after 2 magazines.
    That's not unusual.
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  3. #23
    Ancient Gaseous Emanation Popeye's Avatar
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    If your fired brass shows something similar to a "Glock bulge" I know what the problem is. It won't show on every piece of brass, just the ones causing blow back. It may not be obvious to the casual observer.

    When you're shooting and get blow back, stop shooting and find that piece of brass. Get a couple of them.
    pianomanlja and 1shot1k like this.
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  5. #24
    Grand Imperial Poobah NGF Addict! Mad Scientist's Avatar
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    Quote Originally Posted by Popeye View Post
    If your fired brass shows something similar to a "Glock bulge" I know what the problem is. It won't show on every piece of brass, just the ones causing blow back. It may not be obvious to the casual observer.

    When you're shooting and get blow back, stop shooting and find that piece of brass. Get a couple of them.

    ^^^^^^ This.

    It may help to have someone with you, to watch where the brass lands and to broom swept just before every magazine change.




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  6. #25
    Ancient Gaseous Emanation Popeye's Avatar
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    Quote Originally Posted by Popeye View Post
    If your fired brass shows something similar to a "Glock bulge" I know what the problem is. It won't show on every piece of brass, just the ones causing blow back. It may not be obvious to the casual observer.

    When you're shooting and get blow back, stop shooting and find that piece of brass. Get a couple of them.
    If I'm right, this brass will also be darkened/discolored.
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  7. #26
    Marksman Emeritus NGF Addict! 1shot1k's Avatar
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    Retrieve all brass as Popeye said. For what its worth, I have "read" of powder blowback to the face area, found to be ammo loaded low, brass not sealing chamber, but "typically" round didnt feed or if it did it stove piped. Also, on several forums I just checked that discussed problems as you describe ( in whole or parts ) when user cleaned under extractor (was always unbelievably gunky per slots/rail) and reinstalled with new spring, brass/debri spray also ceased, for what its worth.
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  8. #27
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    Quote Originally Posted by 1shot1k View Post
    Retrieve all brass as Popeye said. For what its worth, I have "read" of powder blowback to the face area, found to be ammo loaded low, brass not sealing chamber, but "typically" round didnt feed or if it did it stove piped. Also, on several forums I just checked that discussed problems as you describe ( in whole or parts ) when user cleaned under extractor (was always unbelievably gunky per slots/rail) and reinstalled with new spring, brass/debri spray also ceased, for what its worth.
    for the most part, this is why i generally avoid the bargin price saver 115 gr 9mm ammo.......i have read as well that it tends to be perhaps a touch on the lite side and sometimes gives some guns fits in feeding/function as its a tad weak. If she is not not expanding properly and getting blow back, then switch ammo and try something in the 124 gr range.

    usually everyone and their dog offers inexpensive 115 gr plinker ammo.......remington UMC, Federal, Winchester white box........and usually the 124 gr is a bit more harder to find in promo loads..at least in my area.....but i think its worth it to look for it.
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  9. #28
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    Quote Originally Posted by Popeye View Post
    If I'm right, this brass will also be darkened/discolored.
    you're right the brass is usually darkened by quite a bit but I thought it was fairly normal? Once again, when I go shooting next, I'll save some brass, inspect it, and post pictures.

  10. #29
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    Quote Originally Posted by pianomanlja View Post
    you're right the brass is usually darkened by quite a bit but I thought it was fairly normal? Once again, when I go shooting next, I'll save some brass, inspect it, and post pictures.
    Darkened brass, especially on one side "can" be a light load blowback indicator. "If" you do replace extractor and spring (after gunk cleaning), there are youtube videos to help. Retaining pin is at slight angle.
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  11. #30
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    I was going to post what 1shot just said. If you see a dark patch of carbon on the outside of the case it can mean the loads are light. What happens is the brass does not expand fully to fill the chamber and you get some powder blow back. I get this on some of my loads. I try to make my loads on the lighter side with just enough powder to make the gun function but if i get this happening a lot I'll up my load a little. If it's factory ammo switch brands and if they are reloads up the charge if you can. A great reason to wear safety glasses if you aren't already.
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