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Thread: 10.5" Issues

  1. #21
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    The Geissele S3G triggers are known to double / bump fire if you do not have a solid grip on the gun. I have also had issues with the trigger not resetting while shooting prone with my SD3G trigger.
    Here are some options:
    1.) Always have a firm high grip on the rifle
    2.) Call Geissele and tell them your issue. They have a new trigger that I have not seen in any advertisement or on this forum yet. It is called the Super V. It is made for VTAC and is a Super 3 Gun Trigger with about a half a pound heavier trigger pull. All it is is a trigger spring swap. I have played with one and it is quite crisp and feels like a fast GI trigger. I believe this will solve your trigger issues along with you changing out your BCG.
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  2. #22
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    Quote Originally Posted by Iraqgunz View Post
    With a live round in the chamber, it sounds like a bolt bounce issue.
    Pretty much the only explanation with the hammer down on a live round is bolt bounce or timing. Being bump fire it's probably more likely to be hammer follow (timing) before the bolt is in battery but it could be bolt bounce out of battery.

  3. #23
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    Quote Originally Posted by Todd.K View Post
    Pretty much the only explanation with the hammer down on a live round is bolt bounce or timing. Being bump fire it's probably more likely to be hammer follow (timing) before the bolt is in battery but it could be bolt bounce out of battery.

    Thanks Todd,
    This happens under normal shooting, ie. not bump fire... Although it can happen while bumpfiring. that being said what is the remedy? Again, it only happens while suppressed.
    I appreciate your help and did not intend to hijack the thread.

  4. #24
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    The hammer cocks before the bolt travels far enough to the rear to pick up a new round, so it has to be the hammer being released.

    Bump firing can happen with enough recoil and a light enough trigger on your shoulder, it doesn't have to be on the hip. Suppressed you have more recoil.

    I would focus on keeping the trigger depressed to the rear on each shot through the recoil to see if it goes away, or just try putting the standard trigger back in. You may also try to reduce the recoil with a heavier buffer suppressed.

  5. #25
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    Where is brass ejecting with the suppressor?

    One possibility with the suppressor is pretty high bolt carrier speed.
    It could bottom out pretty hard in the extension during full recoil, knocking the weapon backward, resetting the sensitive trigger and causing bump fire.
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  6. #26
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    OP, I am just curious, why did you swap the BCG before you ever fired it as is? Noveske is a top notch company, why would you think that the BCG that came with the upper would be insufficient in the first place?

  7. #27
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    Oh I realize Noveske is quality and had zero doubts that their BCG would be insufficient. The only reason I threw in this other BCG was to try out the NiB coating for ease of cleaning when running the gun suppressed.

    It was my first experience with a coated carrier and I just wanted to try something different. I know some people claim you can run the NiB BCG's without or with minimal lube but I ran it as wet as I do my regular carriers. I just wanted to try it to help speed up the cleaning process after suppressed fire.

    I swapped the BCG when I first got the rifle because I was planning on either selling the Noveske BCG or keeping it as a spare. Glad I kept it around...

    ETA:
    Quote Originally Posted by CoryCop25 View Post
    *snip*
    2.) Call Geissele and tell them your issue. They have a new trigger that I have not seen in any advertisement or on this forum yet. It is called the Super V. It is made for VTAC and is a Super 3 Gun Trigger with about a half a pound heavier trigger pull. All it is is a trigger spring swap. I have played with one and it is quite crisp and feels like a fast GI trigger. I believe this will solve your trigger issues along with you changing out your BCG.
    Thanks. I called Geissele today and they're sending me out one of the heavier springs to try.
    Last edited by Shalashaska; 08-22-12 at 17:26.

  8. #28
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    Quote Originally Posted by Clint View Post
    Where is brass ejecting with the suppressor?

    One possibility with the suppressor is pretty high bolt carrier speed.
    It could bottom out pretty hard in the extension during full recoil, knocking the weapon backward, resetting the sensitive trigger and causing bump fire.
    I put about 200rds thru it today. Ejection is very consistent at 2:00.

    I first used the h2 buffer to establish a baseline of malfunctions. (the malfunction I am talking about is the failure to reset the trigger) Malfs occurred about every 5th round.
    I switched to a "H" buffer. Malfs occurred about every third round.
    I hate to admit it, because I truly love the feel of the s3g and sd3g triggers, but I never had any problems with this setup before I switched from my Chip McCormick trigger. (I may know the answer but not want to hear it)

  9. #29
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    Sounds exactly like (one of) the problems I was having. Mine was ejecting fine and would fully chamber a new round, but the trigger wouldn't reset. It only happened when suppressed.

    Do you have another BCG to try?

  10. #30
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    Quote Originally Posted by Shalashaska View Post
    Sounds exactly like (one of) the problems I was having. Mine was ejecting fine and would fully chamber a new round, but the trigger wouldn't reset. It only happened when suppressed.

    Do you have another BCG to try?
    I'm pretty sure I can rule out a problem with my bolt carrier. It is the original DD unit and has never caused me any problems before I changed triggers.

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