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4/5/2008 11:04:59 AM EDT
I have a midlength RRA upper and, a LMT lower 1/2. I can't get the rear pin to go in. Thought maybe the rear hole in the upper may be ovaled. I tried the front pin in the rear hole and no problems. Anyone else have problems like this? If so what did you do to fix it. I don't want to force it for obvious reasons. Should I just sand the pin down?
4/5/2008 11:08:58 AM EDT
[#1]
Try to put some oil on both pins. It may just be a tight fit bewteen the upper and lower.
4/5/2008 11:09:01 AM EDT
[#2]

Quoted:
I have a midlength RRA upper and, a LMT lower 1/2. I can't get the rear pin to go in. Thought maybe the rear hole in the upper may be ovaled. I tried the front pin in the rear hole and no problems. Anyone else have problems like this? If so what did you do to fix it. I don't want to force it for obvious reasons. Should I just sand the pin down?


DO NOT try to sand or grind the pin or the hole in either the upper or lower.

First, if you have a tight fit between an assembled upper and lower, then put the back pin in first, then the front pin.
4/5/2008 12:46:16 PM EDT
[#3]
Put some triflow on the pins. Started the rear pin and still really tight.Can not get it to go in or out without tapping it with a rubber mallet and pin pusher. I guess it will wear in eventually.
4/5/2008 12:48:10 PM EDT
[#4]

Quoted:
Put some triflow on the pins. Started the rear pin and still really tight.Can not get it to go in or out without tapping it with a rubber mallet and pin pusher. I guess it will wear in eventually.


Ive had a few tight ones like that, It will break in after you shoot it. Its better to have a nice tight fit than a loose fit IMO. RRA's seem to always fit pretty tight.
4/5/2008 12:55:49 PM EDT
[#5]
Ive got a couple of RRA and, this is the tightest I've ever seen. Thanks for the help.
4/5/2008 2:34:34 PM EDT
[#6]

Quoted:
Ive got a couple of RRA and, this is the tightest I've ever seen. Thanks for the help.


Two of my three Rock River lowers were like this.  500 rounds later and I could take the rear pin out without using a nylon punch.
4/5/2008 3:14:46 PM EDT
[#7]

Quoted:
It will break in after you shoot it. Its better to have a nice tight fit than a loose fit IMO. RRA's seem to always fit pretty tight.


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