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Posted: 11/1/2009 6:00:43 PM EDT
I heard something loose in the AR15 and when I disassembled it the Buffer stop spring and pin was floating around in the lower. I reinstalled the spring and pin but after assembly again and cycling the bole a few times the spring and pin were again loose in the lower again. What holds the pin in place so it will not come out? How far should the pin be sticking out to stop the Buffer Piston? Thanks
Link Posted: 11/1/2009 6:26:32 PM EDT
Originally Posted By CaptBarnaclebill:
What holds the pin in place so it will not come out?


Buffer tube. Probably needs another turn.
Link Posted: 11/1/2009 6:31:40 PM EDT
The receiver extension captures the buffer retainer and spring. Your receiver extension is not correctly installed. This is what it should look like:



Click the photo to enlarge.
Link Posted: 11/1/2009 6:40:32 PM EDT
Genius––-You are absolutely correct and great picture. Now I have another question ––-How do you get the buffer plunger past the pin without disassembling the stock and unscrewing the Buffer tube? Thanks Loads
Link Posted: 11/1/2009 6:48:06 PM EDT
Install the buffer in the action spring and just push it in. Cocking your hammer may make it easier.
Link Posted: 11/1/2009 7:25:55 PM EDT
Thanks for all the advice––-All is working well now
Link Posted: 11/3/2009 3:42:46 AM EDT
That is a great detailed picture from Weaponrevolution.com and I presumed there were a series of pictures of the entire AR15. I went to the site and could not find them. Could you please give me a hint to where I could access the images?
Thanks––-Bill
Link Posted: 11/3/2009 12:55:39 PM EDT
Found the pic in a google search, but it was easy to recognize Stickman's work off a thumbnail image. His photography is amazing. http://stickman.rainierarms.com/
Link Posted: 11/5/2009 9:33:58 AM EDT
Originally Posted By CaptBarnaclebill:
Genius––-You are absolutely correct and great picture. Now I have another question ––-How do you get the buffer plunger past the pin without disassembling the stock and unscrewing the Buffer tube? Thanks Loads


Best I remember , the buffer has 3 flats cut in its rim . These make it easier . Then rotate the buffer so that a round ( un cut ) segment lines up with the pin .

To get the spring past the pin , I just " screw " the spring in .

God bless
Wyr
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