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Posted: 6/7/2009 9:43:38 AM EDT
| Forgive me for sounding like an idiot but I purchased my first AR15 Fri. and I have been taking the gun apart and putting it back together just getting use to everthing. On the Bolt assembly there is one spot on the side of the assembly that has a section that looks like it moves in or out. Its on the end that goes into the chamber. I have payed close attention when I took the Bolt assembly out but im wondering if I put it in correctly. I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? |
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Check out the AR15 forum. Lots of good information is takced.
http://www.ar15.com/forums/topic.html?b=3&f=7&t=420901 Good luck and welcome to the board. |
Download the -10 Operators Manual and study it.  
http://www.ar15.com/content/manuals/TM9-1005-319-10.pdf ETA: This should help get you started with bolt and carrier parts nomenclatures. 
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The side of the BOLT which houses the EXTRACTOR, faces the EJECTION PORT of the UPPER RECEIVER.
When assembling the BOLT into the BOLT CARRIER, the CAM PIN should only be able to be inserted from one side of the BOLT. This will prevent incorrect reassembly of the BOLT in the BOLT CARRIER. It’s built “GI Proof”.
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Quoted:
The side of the BOLT which houses the EXTRACTOR, faces the EJECTION PORT of the UPPER RECEIVER. When assembling the BOLT into the BOLT CARRIER, the CAM PIN should only be able to be inserted from one side of the BOLT. This will prevent incorrect reassembly of the BOLT in the BOLT CARRIER. It’s built “GI Proof”. "GI Proof" = "Idiot proof." 
I wondered the same thing when i was new, but like Quib said, the cam pin will only go in from one side of the bolt, this insures nothing bad happens. OK, I'm prepared to get flamed for my comment, I just couldn't help myself. |
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Quoted:
I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? Correct. This is the extractor and it should be put in on the same same as the ejection port of the rifle. If you place it on the other side, you may have parts breakage or malfunctions. |
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Quoted:
Quoted:
I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? Correct. This is the extractor and it should be put in on the same same as the ejection port of the rifle. If you place it on the other side, you may have parts breakage or malfunctions. as already stated, it's impossible to assemble it incorrectly. |
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Quoted: Quoted: Quoted: I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? Correct. This is the extractor and it should be put in on the same same as the ejection port of the rifle. If you place it on the other side, you may have parts breakage or malfunctions. as already stated, it's impossible to assemble it incorrectly. MOST of the time... Not always. As QUIB will tell you, there are quite a few rifles floating around that will accept it either way. It is best to just get in the habit of lining it up correctly. |
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Quoted:
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Quoted:
I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? Correct. This is the extractor and it should be put in on the same same as the ejection port of the rifle. If you place it on the other side, you may have parts breakage or malfunctions. as already stated, it's impossible to assemble it incorrectly. MOST of the time... Not always. As QUIB will tell you, there are quite a few rifles floating around that will accept it either way. It is best to just get in the habit of lining it up correctly. no shit, by what manufacturers? Is this intentional or a defect? I stand corrected |
| Im not an Idiot. I have ben putting the Bolt assembly back together correctly the whole time so im not dumb at all. I never even tried to see if the pin would go in the wrong(incorrect)way from the other side. I did not know that the pin would go in only one way through the bolt assembly.Sorry if I ruined someones day. If it was that dumb of a question you should have just not replied and played on another site. |
| With the Bolt out of the Carrier, insert cam pin in the bolt and send it as deep as possible. It will be stopped by a very very small amount of metal that makes the opening in the bolt smaller on one end than the proper end to insert the cam pin. How small that ridge of metal is, can be easier seen with the cam pin in the bolt pressed right up against it. I just tried this, at least at on my bolt this is true. When you realize how little metal is there in the bolt to prevent the cam pin from being inserted the wrong direction, its NOT hard to imagine at least a few bolts are out there that may allow a cam pin to be inserted the wrong direction, either from wear or mistakes during production. I don't think its unreasonable to warn against it, even in an overwhelming majority of cases it is impossible to insert the cam pin the wrong direction. |
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Quoted:
Im not an Idiot. I have ben putting the Bolt assembly back together correctly the whole time so im not dumb at all. I never even tried to see if the pin would go in the wrong(incorrect)way from the other side. I did not know that the pin would go in only one way through the bolt assembly.Sorry if I ruined someones day. If it was that dumb of a question you should have just not replied and played on another site. I think you misunderstood, all we were saying is that it's designed to be "idiot proof", nobody was calling you an idiot. And I even stated that I had the same question when i was new to these firearms, and I'm certainly not calling myself an idiot. |
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Quoted: Quoted: Quoted: Quoted: Quoted: I think the different side of the bolt assembly faces the ejection port side of the rifle. Can someone confirm this and tell me why? Correct. This is the extractor and it should be put in on the same same as the ejection port of the rifle. If you place it on the other side, you may have parts breakage or malfunctions. as already stated, it's impossible to assemble it incorrectly. MOST of the time... Not always. As QUIB will tell you, there are quite a few rifles floating around that will accept it either way. It is best to just get in the habit of lining it up correctly. no shit, by what manufacturers? Is this intentional or a defect? I stand corrected The most recent I heard of was a Bushmaster, although it doesn't seem to be that way on all Bushmaster rifles. Likely a defect that slipped through QC. 99% of the time, they'll be GI proof. But, if you pay attention, you won't have a 50-50 chance of disastrous failure during that 1%. |
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