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Posted: 11/19/2008 11:16:28 AM EDT
[#1]
Yes the ejector has to go away from the port.
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Posted: 11/19/2008 11:18:35 AM EDT
[#2]
With both of mine, the cam pin (you said retaining pin but I assume you meant this) will only go into the bolt from one side. As someone else said, the ejector should be away from the ejection port and the extractor should be adjacent to the port.
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Posted: 11/19/2008 11:20:18 AM EDT
[#3]
Quoted:
Yes the ejector has to go away from the port. So when I reassemble and the bolt is inside the rifle and I look through the ejection port, the ejector should be infornt of me or not visible? |
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Posted: 11/19/2008 11:23:21 AM EDT
[#4]
Quoted:
Quoted:
Yes the ejector has to go away from the port. So when I reassemble and the bolt is inside the rifle and I look through the ejection port, the ejector should be infornt of me or not visible? The ejector should be visible, but across the bolt (on the left side of the gun), on the opposite side of the ejection port. |
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Posted: 11/19/2008 11:24:56 AM EDT
[#5]
Quoted:
Quoted:
Yes the ejector has to go away from the port. So when I reassemble and the bolt is inside the rifle and I look through the ejection port, the ejector should be infornt of me or not visible? If you stop and think about how the rifle works, mechanically, it should become apparent. That's what I do. Think about how the ejector works. It's that little pin on the bolt face that pushes the cartridge up and off to the side. Put the bolt in so that when the ejector pushes the cartridge out, it tilts it up and out of the ejection port. To do so, the ejector will have to be on the side OPPOSITE the ejection port. The extractor claw, on the other hand will be facing toward the ejection port. |
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Posted: 11/19/2008 11:27:00 AM EDT
[#6]
Now I'm curious, what make of AR do you have, and does the bolt allow the cam pin to go in from either side?
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Posted: 11/19/2008 11:28:33 AM EDT
[#7]
As already stated. The cam pin will only go in one way, the right way. You can't assemble the bolt into the carrier incorrectly. Line up the cam pin hole on the bolt with the hole in the carrier. If the cam pin won't go in, the bolt is 180 out.
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Posted: 11/19/2008 11:31:08 AM EDT
[#8]
Quoted:
Now I'm curious, what make of AR do you have, and does the bolt allow the cam pin to go in from either side? Your absolutely right guys. I put the rifle together and when i was looking back i wondered if i made a mistake. Now that i take it apart, the cam pin will only go in one way. Thanks a ton for your help. |
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Posted: 11/19/2008 5:33:33 PM EDT
[#9]
Think about the mechanics for a minute. It really is a simple design.
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Posted: 11/19/2008 5:40:44 PM EDT
[#10]
It ought to be like this when assembled correctly:
ETA - People have reported getting poorly machined cam pins bolts* that allowed them to install the bolt 180° out. I imagine that's good for one shot, after which the ejector tries to send the casing out where there's no ejection port. * corrected after I realized what I'd said wrong |
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Posted: 11/20/2008 2:17:17 AM EDT
[#11]
Quoted:
With both of mine, the cam pin (you said retaining pin but I assume you meant this) will only go into the bolt from one side. If it's a milspec bolt, but there are some cheap ass commercial pieces out there that you can insert the pin on either end. I once had a Rock River bolt (for about 2 weeks) that you could do that with. Since then I use nothing but Colt bolts. 
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Posted: 11/20/2008 5:54:00 AM EDT
[#12]
One little trick kinda off subject, but you can mark the front of the cam pin forward edge with a line so you will always put it in the same way and it will wear the same side. This really is not necessary, but it allows exact reassembly wear.
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Posted: 11/20/2008 12:01:30 PM EDT
[#13]
Don't know if I'm remembering wrong, but I thought my USMC Colt M-16A1 could have the cam inserted with the bolt 180 degrees out. (20 + years ago so I'm not sure)
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Posted: 11/20/2008 12:08:29 PM EDT
[#14]
Quoted:
It ought to be like this when assembled correctly: http://i150.photobucket.com/albums/s95/MMcfpd/762x39_AR_bolt_ready.jpg ETA - People have reported getting poorly machined cam pins bolts* that allowed them to install the bolt 180° out. I imagine that's good for one shot, after which the ejector tries to send the casing out where there's no ejection port. * corrected after I realized what I'd said wrong +1 |
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Posted: 11/20/2008 1:00:14 PM EDT
[#15]
That is one clean bolt.
 I better get out the CLP.
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Posted: 11/20/2008 1:46:28 PM EDT
[#16]
Quoted:
Quoted:
Now I'm curious, what make of AR do you have, and does the bolt allow the cam pin to go in from either side? Your absolutely right guys. I put the rifle together and when i was looking back i wondered if i made a mistake. Now that i take it apart, the cam pin will only go in one way. Thanks a ton for your help. Don't worry we all had to learn! |
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Posted: 11/20/2008 2:03:12 PM EDT
[#17]
I always look into the bolt carrier with the bolt installed and look for those depressions on either side of the hole.
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