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Thread: HELP! Bolt stuck half closed

  1. #1
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    HELP! Bolt stuck half closed

    I have a problem. My bolt is stuck half closed, with a casing in the chamber. It's about 1/8 inch from battery and the bolt will not move back or forward. I've pulled on the charging handle about all I can, and it won't budge. Any suggestions? Ammo used was Prvi Partizan 5.56.
    A man with a gun is a citizen. A man without a gun is a subject.

  2. #2
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    What type of weapon was it? Here's my guess as it has happened to us here with Prvi Partizan. We were (are) using Bushmaster XM15-E2S carbines (select-fire).

    The chamber is probably tight and you had a primer blow out into the upper receiver. It is more than likely trapped in between the upper and the bolt carrier. I had one that was so bad that I had to remove the lower receiver extension. and pull everything out. It was a PITA.

    I also had a forward assist pawl break off once and lodge itself in between the upper and BCG. Unfortunately, that didn't end up so well.

    Quote Originally Posted by citizensoldier16 View Post
    I have a problem. My bolt is stuck half closed, with a casing in the chamber. It's about 1/8 inch from battery and the bolt will not move back or forward. I've pulled on the charging handle about all I can, and it won't budge. Any suggestions? Ammo used was Prvi Partizan 5.56.
    Last edited by Iraqgunz; 04-13-09 at 19:01.



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  3. #3
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    I had a primer get into the BCG, where the cam pin is. locked the gun up solid
    "you give peace a chance, I'll stay here and cover you, in case it doesn't work out"

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    Iraqgunz, you're right...it's a BM XM15-E2S. I've tried to separate the lower from the upper, tapping on the casing with a cleaning rod, and just pulling the CH back. If I can't get it out, there's an armorer near me, plus I have a few SWAT contacts that might be able to help.

    Any other suggestions before I take it in?
    A man with a gun is a citizen. A man without a gun is a subject.

  5. #5
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    Well the cause was that your chamber is not true 5.56 even though it is marked as such. So in the future you will need to have the chamber reamed. I feel your pain as I am on the downside of having to ream 274 carbines.

    Now to the issue at hand. The lower/ upper won't separate as long as the weapon is not in battery. The best solution with minimal damage is to remove the lower receiver extension (buffer tube) and then pull the buffer and spring out. Be advised your buffer spring retainer and spring will shoot up. You will have to remove them with needlenose pliers.

    You will them have to use a rubber mallot and hit (not beat) the rear of the BCG forward. Hopefully that will work it loose. You may even be able to use a flashlight and see where it is. Also, as Janitor mentioned it could be lodged in between thebolt and cam pin area.

    Quote Originally Posted by citizensoldier16 View Post
    Iraqgunz, you're right...it's a BM XM15-E2S. I've tried to separate the lower from the upper, tapping on the casing with a cleaning rod, and just pulling the CH back. If I can't get it out, there's an armorer near me, plus I have a few SWAT contacts that might be able to help.

    Any other suggestions before I take it in?



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  6. #6
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    I would be cautious of putting anything into the barrel and trying to pound it back once the buffer tube is removed for fear of damaging the barrel. Even a solid cleaning rod, though you may have to do just that. I would discourage trying to pry back the BCG via the ejection port as you will inevitably mar the upper receiver.
    Last edited by Iraqgunz; 04-13-09 at 19:06.



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    Before you tear into it you may want to try a little encouragement by giving the buttstock a sharp rap on the deck. You can do the this while "helping" to pull on the charging handle as well. I've seen some petty "stuck" guns get "unstuck" this way.

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    I had success mortaring as well.

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    Quote Originally Posted by buggsb View Post
    Before you tear into it you may want to try a little encouragement by giving the buttstock a sharp rap on the deck. You can do the this while "helping" to pull on the charging handle as well. I've seen some petty "stuck" guns get "unstuck" this way.
    I was about to suggest the same thing and mortar it.

  10. #10
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    Mortaring is always the first thing I try, although it was in an attempt (successful) to clear some out of spec wolf from my chamber.

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