[ARCHIVED THREAD] - Colt Large Hole Upper Front Pin Adapter

Posted: 1/6/2013 7:30:54 PM EDT

Hey guys,

I have a Colt Upper that has the Large hole pin. I have the DPMS adapter bushing, but it doesn't fit the small pin. It slides through the large hole easily, but doesn't seem to fit the small pin. What should I do? Should I sand the inner metal until I get a better fit? Or should I lube and oil it extensively and then pound it in? I don't want to sell it because I really like the A2 design.

http://i1290.photobucket.com/albums/b522/weix11/DSCN52771_zpsf7fae5c0.jpg
Here is the large front pin hole

http://i1290.photobucket.com/albums/b522/weix11/DSCN52781_zpse657c983.jpg
Here is the adapter bushing inside the large front pin hole

http://i1290.photobucket.com/albums/b522/weix11/DSCN52791_zps0bc2d05a.jpg
The adapter bushing just won't slide easily through the front pivot pin. So right now, I'm not sure how to get the front pivot pin through the adapter bushing and into the front pivot pin hole.

Thanks

Posted: 1/6/2013 8:32:56 PM EDT

[#1]

The large and small holes do not perfectly align, they are off set. Turn the pin until it aligns with both holes...

Pictures would help.

Posted: 1/6/2013 10:04:15 PM EDT

[#2]

+1 with previous statement.

Posted: 1/9/2013 6:31:34 PM EDT

[#3]

Use a round file and file the inside of the bushing till the pin will just fit, then install it in the upper. I use JB weld to install the bushing in the pivot hole.

[ARCHIVED THREAD] - Colt Large Hole Upper Front Pin Adapter

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[ARCHIVED THREAD] - Colt Large Hole Upper Front Pin Adapter

[ARCHIVED THREAD] - Colt Large Hole Upper Front Pin Adapter