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Posted: 11/7/2020 1:25:57 PM EST
[#1]
Take the stock/brace off. Does the receiver extension have a drain hole in the end? If so, stick a metal rod or long, blunt nail and push the buffer forward. Be aware that that end of the buffer has a polymer plug, so anything sharp could damage that plug. If there is no drain hole, you could drill a drain hole large enough to accommodate a rod to push everything back towards battery.
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Posted: 11/7/2020 1:47:07 PM EST
[#2]
Depends on the reason...
Receiver {extension not “square” to the receiver Forward Assist broke off and jammed between the carrier and the upper receiver Carrier traveled too far to the rear and jammed Have you tried the “mortar drill” to break it loose? |
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Posted: 11/7/2020 2:03:53 PM EST
[#3]
Carrier likely traveled too far to rear.
I have heard of the mortar drill hitting the stock on the ground but not the barrel. |
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Posted: 11/7/2020 2:22:36 PM EST
[#4]
You don’t hit the barrel but mortar drill might break it loose.
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Posted: 11/7/2020 2:58:02 PM EST
[#5]
So typical mortar drill. Maybe pops it loose.
Can try that |
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Posted: 11/7/2020 3:24:01 PM EST
[#6]
Why can't you take the tube off?
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Posted: 11/7/2020 3:31:07 PM EST
[#7]
Quoted: BCG stuck to the rear. Can’t separate the upper and lower Can’t remove buffer tube. How can I get this moved forward? Did this occur after firing? |
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Posted: 11/7/2020 3:35:04 PM EST
[#8]
I have had a carrier jammed up (broken Forward Assist, NOT Mine) and I ended up cutting the receiver extension in two. It was jammed so bad it broke the rear lug on the upper receiver.
That’s just ONE reason I don’t have an AR with a Forward Assist. |
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Posted: 11/7/2020 3:48:29 PM EST
[#9]
Quote HistoryQuoted: Carrier likely traveled too far to rear. I have heard of the mortar drill hitting the stock on the ground but not the barrel. Why do you think this? Is it a 9mm or other pistol caliber? Bolt catch still functional or did it break? You should be able to unscrew the extension tube if the mortar drill doesn't work. |
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Posted: 11/7/2020 3:51:55 PM EST
[#10]
Quote HistoryQuoted: Why do you think this? Is it a 9mm or other pistol caliber? Bolt catch still functional or did it break? You should be able to unscrew the extension tube if the mortar drill doesn't work. Quote HistoryQuoted: Quoted: Carrier likely traveled too far to rear. I have heard of the mortar drill hitting the stock on the ground but not the barrel. Why do you think this? Is it a 9mm or other pistol caliber? Bolt catch still functional or did it break? You should be able to unscrew the extension tube if the mortar drill doesn't work. This is what I thought too. Something is keeping me from unscrewing the tube. It started to turn and then something is stopping it. This did not happen after firing. This is a 5.56 rifle not a pencil barrel |
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Posted: 11/7/2020 4:18:18 PM EST
[#11]
The tube must be being held by the buffer detent.
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Posted: 11/7/2020 5:13:39 PM EST
[#12]
Quote HistoryQuoted: The tube must be being held by the buffer detent. Good call, it didn’t fall out with the spring  |
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Posted: 11/7/2020 9:07:46 PM EST
[#13]
Got the tube off.
The spring catch came loose and was in the tube. The bcg is sticking out the back jammed tight now |
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Posted: 11/7/2020 9:20:25 PM EST
[#14]
Got spring out for the buffer catch.
Never did see the detent for the rear pin. What can be holding the bcg in place? |
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Posted: 11/7/2020 10:10:09 PM EST
[#15]
Quote HistoryQuoted: The tube must be being held by the buffer detent. This is a good reason to not use a receiver extension with a slot for the buffer retainer. |
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Posted: 11/7/2020 10:28:45 PM EST
[#16]
Quote HistoryQuoted:This is a 5.56 rifle not a pencil barrel I'm curious, what exactly does this mean, and what does the barrel have to do with the problem? |
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Posted: 11/7/2020 10:57:34 PM EST
[#17]
Quote HistoryQuoted: I'm curious, what exactly does this mean, and what does the barrel have to do with the problem? Quote HistoryQuoted: Quoted:This is a 5.56 rifle not a pencil barrel I'm curious, what exactly does this mean, and what does the barrel have to do with the problem? Nothing that I know of. Someone had made mention of caliber when talking mortar method and possibly doing by banging the rifle on its barrel instead of stock |
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Posted: 11/7/2020 10:58:54 PM EST
[#18]
Quote HistoryQuoted: This is a good reason to not use a receiver extension with a slot for the buffer retainer. Quote HistoryQuoted: Quoted: The tube must be being held by the buffer detent. This is a good reason to not use a receiver extension with a slot for the buffer retainer. Any idea what could be holding the bcg? |
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Posted: 11/8/2020 2:17:26 AM EST
[#19]
Quote HistoryQuoted: Nothing that I know of. Someone had made mention of caliber when talking mortar method and possibly doing by banging the rifle on its barrel instead of stock I mentioned pistol caliber because with a 9mm BCG a longer buffer is used. If a standard length buffer is used the carrier will travel back too far and can break the bolt catch. Don't know anything about the barrel comment... So the carrier is stuck in the receiver even with the extension tube removed? What were you doing when this happened? Sounds like you weren't firing the gun. You didn't by chance remove the firing pin did you? The firing pin prevents the can pin from rotating. It would jam the carrier same as your experiencing. |
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Posted: 11/8/2020 7:17:16 AM EST
[#20]
I've only had one bcg stuck to the rear. Blown primer got back in there and hung it up pretty good. Didn't know that till it fell out while pounding the bcg forward.
I got the stock/buffer tube off and bounced the bolt against a board a couple times. The bolt went forward, got the upper/lower separated and the primer fell out. Put it all back together and went on shooting. Weird shit happens sometimes. |
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Posted: 11/8/2020 8:24:32 AM EST
[#21]
Quote HistoryQuoted: You didn't by chance remove the firing pin did you? The firing pin prevents the can pin from rotating. It would jam the carrier same as your experiencing. |
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Posted: 11/8/2020 8:29:04 PM EST
[#22]
Firing pin was not removed
Is my only choice to pound this forward? |
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Posted: 11/8/2020 9:09:11 PM EST
[#23]
Quote HistoryQuoted: Firing pin was not removed Is my only choice to pound this forward? Pretty much. If you got the reciever extension off, you can try popping the pivot pin out and raking the entire upper off, but that will be a challenge. |
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Posted: 11/8/2020 10:53:48 PM EST
[#24]
I wouldn't bang on it....yet.
Can you post a picture of what it looks like? Otherwise we don't know how far its stuck into the receiver to give any guidance. What were the steps that lead up to this problem happening? Can you move the charging handle or is it jammed tight? |
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Posted: 11/9/2020 7:42:37 AM EST
[#25]
The upper and lower receiver are still together.
The CH moves but cannot come out because the upper and lower are still together. It is sticking out the back ~4”. The upper and lower were put together with the BCG and CH in place. No spring or buffer. No real amount of oil lube. |
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Posted: 11/9/2020 7:47:17 AM EST
[#26]
Quote HistoryQuoted: The upper and lower receiver are still together. The CH moves but cannot come out because the upper and lower are still together. It is sticking out the back ~4”. The upper and lower were put together with the BCG and CH in place. No spring or buffer. No real amount of oil lube. Now all the facts come out. Why was it put together with no buffer or spring? |
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Posted: 11/9/2020 7:52:32 AM EST
[#27]
You say no spring or buffer?
was it fired like that? my guess is the gas key is wedged into the lower's buffer tube hole. |
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Posted: 11/9/2020 7:56:26 AM EST
[#28]
Try to protect the barrel or take it off and mortar it the other way
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Posted: 11/9/2020 7:57:21 AM EST
[#29]
post pictures from every angle
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Posted: 11/9/2020 7:59:35 AM EST
[#30]
Quote HistoryQuoted: You say no spring or buffer? was it fired like that? my guess is the gas key is wedged into the lower's buffer tube hole. If it was fired that could be a pain in the butt to get apart.  |
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Posted: 11/9/2020 8:37:08 AM EST
[#31]
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Posted: 11/9/2020 9:56:06 AM EST
[#32]
It was never fired.
It was put together to check fit The CH was pulled without thinking 
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Posted: 11/9/2020 5:59:59 PM EST
[#33]
Quote HistoryQuoted: Got spring out for the buffer catch. Never did see the detent for the rear pin. What can be holding the bcg in place? Are you referring to the detent spring for the rear pin or the buffer retainer spring? Is the buffer retainer plunger still in there? Can you move the charging handle?? It may have dropped out of the slot that it normally rides in when there was no tension on the carrier by a buffer system. If this is the case, you will want to pull the carrier out and not try to push it in. |
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Posted: 11/9/2020 6:25:42 PM EST
[#34]
Pop both take down pins and wiggle the shit out of it pulling the upper forward.
If that doesn't work, pop the trigger pins too. |
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Posted: 11/10/2020 5:25:29 AM EST
[#35]
Quote HistoryQuoted: It was never fired. It was put together to check fit The CH was pulled without thinking I did that once. Only once |
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Posted: 11/10/2020 12:14:32 PM EST
[#36]
Quote HistoryQuoted: I did that once. Only once Can you provide some insight on what the outcome was? May help the OP here.... @Bucket-Back |
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Posted: 11/10/2020 1:05:23 PM EST
[#37]
I think your gas key is wedged in the lower RE hub and your hammer is wedged between the carrier face and the rear of the bolt lugs.
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Posted: 11/10/2020 2:39:51 PM EST
[#38]
Quote HistoryQuoted: It was never fired. It was put together to check fit The CH was pulled without thinking If you have not fixed the issue yet can you post a few pics so we can help you move forward. I put together so cheap parts and tried to duplicate what you did and all the recommendations solved the problems the way I had it set up. |
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Posted: 11/10/2020 10:25:43 PM EST
[#39]
I haven’t had time to work on it for a few days.
Going to try’s few of the suggestions |
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Posted: 11/10/2020 10:40:27 PM EST
[#40]
We need pics. I've pulled the bolt back with no spring or buffer more than once and every time was able to just shake the rifle forward and it popped right out.
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Posted: 11/10/2020 10:53:53 PM EST
[#41]
What I think happened was the bolt was pulled back with no buffer and spring. The buffer retaining pin is logged in somewhere preventing it to move forward. Maybe see if you can put a cleaning rod down the barrel and push the bolt far enough back to see if you can separate the upper an lower or push in from the drain hole on the bolt pushing it forward.
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Posted: 11/10/2020 11:13:42 PM EST
[#42]
Quote HistoryQuoted: I haven’t had time to work on it for a few days. Going to try’s few of the suggestions Did you pull the trigger after pulling back the CH? I had a guy do that with no spring/buffer and the hammer came up and blocked the carrier. Pop the takedown and pivot pin. Knock out the hammer pin and wiggle everything about and see if it slacks up. |
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Posted: 11/11/2020 8:59:15 AM EST
[#43]
I got the stock/buffer tube off.
The buffer spring retainer and spring are out. Looking through the ejection port, I don't believe the hammer is in the way. I can pull the CH almost all the way out but it gets stopped. It moves freely in and out. Just not all the way out. The bolt carrier can be wiggled. It is stocking out the back ~3+". I will post some pictures later this evening. I haven't hammered on the BC. I haven't pulled the pins to separate the receivers. That is my next step in the next day or so. Thanks for the help and info. I appreciate all the constructive comments and suggestions. |
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Posted: 11/11/2020 9:30:39 AM EST
[#44]
Maybe pop the grip, and take out the pin that normally holds the buffer?
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Posted: 11/11/2020 9:49:39 AM EST
[#45]
Drop rifle on the muzzle.
Now with the RE removed, just whack the bcg forward. |
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Posted: 11/11/2020 9:52:41 AM EST
[#46]
Quote HistoryQuoted: Maybe pop the grip, and take out the pin that normally holds the buffer? The pin in the grip location is the selector detent and spring not the buffer retaining pin. |
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Posted: 11/11/2020 1:26:35 PM EST
[#47]
Quote HistoryQuoted: I got the stock/buffer tube off. The buffer spring retainer and spring are out. Looking through the ejection port, I don't believe the hammer is in the way. I can pull the CH almost all the way out but it gets stopped. It moves freely in and out. Just not all the way out. The bolt carrier can be wiggled. It is stocking out the back ~3+". I will post some pictures later this evening. I haven't hammered on the BC. I haven't pulled the pins to separate the receivers. That is my next step in the next day or so. Thanks for the help and info. I appreciate all the constructive comments and suggestions. It does sounds like the trigger got pulled and the hammer is caught between the carrier and the bolt preventing movement of the BCG. I think someone mentioned this earlier. Pull the receiver pins and I think it will come apart enough so you can reach the hammer and lock it back and remove the BCG. Banging on shit is never really a good solution unless its a nail.... |
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Posted: 11/12/2020 8:46:54 AM EST
[#48]
Photos from this am.
Have not done anything with it for a couple of days     
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Posted: 11/12/2020 8:50:24 AM EST
[#49]
Following
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Posted: 11/12/2020 9:02:52 AM EST
[#50]
Have you tried popping the pins and splitting the receivers?
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