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Posted: 10/3/2004 8:14:21 AM EDT
I have a RRA upper and lower that I just finished assembling, and it won't close. The rear take down recepticle on the upper seems to be binding on the lower reciever. I hate to file, and remove the finish but, I don't see any alternative. Any suggestions??
Link Posted: 10/3/2004 8:20:07 AM EDT
This is a know 'issue'. RRA makes their uppers a little large to insure a tight fit with the lower. Just use some oil and lightly tap the upper in place. Shooting a couple hundered rounds through it will loosen it up. DO NOT FILE IT.
Link Posted: 10/3/2004 1:27:42 PM EDT
Now it won't open. Sucker is tight.
Link Posted: 10/3/2004 1:38:58 PM EDT
It will loosen up a bit as you shoot it.

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