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Key:
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Joined: Oct 2008
Posts: 31,579 Likes: 136
Grumpy Old Man
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Grumpy Old Man
Joined: Oct 2008
Posts: 31,579 Likes: 136 |
I've always started at the bottom. But seriously, post a picture of the two pieces. Maybe somebody will have a solution.
I hate making a good first impression. There’s no way I can keep that shit up.
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Joined: Nov 2015
Posts: 21,456
Freak of Nature
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Freak of Nature
Joined: Nov 2015
Posts: 21,456 |
Are you sure the pins are in spec? Got any other pins laying around from another AR?
Isaiah 5:20 Woe to those who call evil good and good evil, who put darkness for light and light for darkness, who put bitter for sweet and sweet for bitter.
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Joined: Jan 2004
Posts: 31,681
Freak of Nature
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Freak of Nature
Joined: Jan 2004
Posts: 31,681 |
Get yer son the window expert to assemble it.  Or you could order several more lowers till you find one that works for YOU!  Put the unused ones in classified!
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Joined: Nov 2015
Posts: 21,456
Freak of Nature
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Freak of Nature
Joined: Nov 2015
Posts: 21,456 |
Get yer son the window expert to assemble it. ![[Linked Image]](https://i.imgur.com/sOfkkwF.gif)
Isaiah 5:20 Woe to those who call evil good and good evil, who put darkness for light and light for darkness, who put bitter for sweet and sweet for bitter.
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Joined: Mar 2012
Posts: 3,922
10 point
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10 point
Joined: Mar 2012
Posts: 3,922 |
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Joined: Feb 2011
Posts: 11,345 Likes: 18
Booner
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Booner
Joined: Feb 2011
Posts: 11,345 Likes: 18 |
I have bought tons of PSA uppers and lowers and never had a problem. I'd personally just beat it into submission.
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Joined: Jan 2014
Posts: 1,746
8 point
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8 point
Joined: Jan 2014
Posts: 1,746 |
Put the front pin in and look thru the hole where the back pin goes after you close the upper and lower. See if the holes line up close you should be able to see the crescent shape of the hole in the upper. this will tell you how bad they are off. I had a set that was off you could see the holes not lining up perfectly, you could see about a 1/32 of the upper hole from the lower. I but a small screw driver in the back pin hole that would pass thru both the upper and lower and worked it around a little. I did not but much pressure on the screwdriver. Then tried the rear pin again and with a little extra push the pin went in all good. Then run the gun some and you should be good to go. Made it fit good and tight.
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Joined: Sep 2007
Posts: 8,130 Likes: 11
14 point
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14 point
Joined: Sep 2007
Posts: 8,130 Likes: 11 |
What puzzles me is " We couldn’t get my upper or lower to match up with the known AR". And you say that you can get the front pin or back pin in but not at the same time. If you have one pin in and look in the hole for the other pin, how bad is it mismatched? Seems like I might have had that happen once and I just ran a rat tail file in the hole maybe four times and it was good. It was like the ceracoat was just a fuzz to thick. Is it obviously misaligned/misdrilled or would taking .001 of the lower hole let it the pin go in?
Dang beat like a borrowed mule..by 6 minutes. well my phone was ringing. Somebody wanted to give me a security system again today.
Last edited by trlrdrdave; 09/07/18 09:01 AM.
"In time of war, send me all the Alabamians you can get, but in time of peace, for Lord's sake, send them to somebody else." General Edward H. Plummer
"Blessed are those who, in the face of death, think only about the front sight." Jeff Cooper
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Joined: Jan 2007
Posts: 14,506 Likes: 12
Booner
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Booner
Joined: Jan 2007
Posts: 14,506 Likes: 12 |
Sometimes with a new lower things are tight. Be sure to bang them together with a rubber mallet until they are flush. If hole is not aligned at that point you have a problem.
Front pin in first.
Last edited by burbank; 09/07/18 09:01 AM.
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Joined: Oct 2008
Posts: 8,219
14 point
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14 point
Joined: Oct 2008
Posts: 8,219 |
Will the upper and lower go together and you just can't the rear pin in or will the upper not close down fully on the lower?
I've had to file the corners of the rear tang on the upper (the part the pin goes through) for it to fit down into the lower
There are two types of gun enthusiasts ... Those who have been F#CKED by PTG and those who will be!
~ unknown
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Joined: Oct 2008
Posts: 31,579 Likes: 136
Grumpy Old Man
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Grumpy Old Man
Joined: Oct 2008
Posts: 31,579 Likes: 136 |
Will the upper and lower go together and you just can't the rear pin in or will the upper not close down fully on the lower?
I've had to file the corners of the rear tang on the upper (the part the pin goes through) for it to fit down into the lower
I didn't wanna tell him to use the file, until he gave us a picture, but that's exactly what I was thinking.
I hate making a good first impression. There’s no way I can keep that shit up.
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Joined: Apr 2000
Posts: 30,089 Likes: 46
Administrator
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Administrator
Joined: Apr 2000
Posts: 30,089 Likes: 46 |
Get yer son the window expert to assemble it. ![[Linked Image]](https://s33.postimg.cc/5x4ibowan/046_A0_B8_A-_CE2_E-490_C-91_A9-_C2_F05_EAB0_F38.gif)
"I hate rude behavior in a man. I won't tolerate it." Captain Woodrow F. Call
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Joined: Sep 2012
Posts: 24,107 Likes: 297
Freak of Nature
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Freak of Nature
Joined: Sep 2012
Posts: 24,107 Likes: 297 |
Get yer son the window expert to assemble it. ![[Linked Image]](https://i.imgur.com/sOfkkwF.gif) Dayum that was shot below the belt. 
Dying ain't much of a living boy...Josey Wales
Molon Labe
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Joined: Nov 2014
Posts: 16,797 Likes: 3
Old Mossy Horns
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Old Mossy Horns
Joined: Nov 2014
Posts: 16,797 Likes: 3 |
I think it may need some judicious file work.
“Killing tomorrow’s trophies today.”
On the distance I like to walk to my stands: “The first 100 yards is also the last 100 yards.”
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Joined: Jun 2018
Posts: 37
spike
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spike
Joined: Jun 2018
Posts: 37 |
I would be shipping that thing back.
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Joined: Jan 2005
Posts: 33,437
Freak of Nature
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Freak of Nature
Joined: Jan 2005
Posts: 33,437 |
I would find someone who knows what they are doing to see if I was doing something wrong before I did anything else.
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Joined: Feb 2002
Posts: 46,052 Likes: 232
Freak of Nature
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Freak of Nature
Joined: Feb 2002
Posts: 46,052 Likes: 232 |
I've had 1 that had to have a little filing on the rear tang. Even before that though the 2 pieces could be put together if I just put them horizontal and didn't hinge them. Hinging couldn't be done until a tiny amount of metal was removed from the rear tang.
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Joined: Dec 2002
Posts: 52,255 Likes: 18
Mildly Quirky
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Mildly Quirky
Joined: Dec 2002
Posts: 52,255 Likes: 18 |
You checked the blinker fluid first, didn't you AC? 
"Hunting Politics are stupid!" - Farm Hunter
"Bible says you shouldn't put sugar in your cornbread." Dustin, 2013
"Best I can figure 97.365% of the general public is a paint chip eating, mouth breathing, certified dumbass." BCLC, 2020
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Joined: Apr 2017
Posts: 18,058 Likes: 43
Old Mossy Horns
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Old Mossy Horns
Joined: Apr 2017
Posts: 18,058 Likes: 43 |
We’re not dead. We just smell that way. Dayum. - AC870
Yessir! I’m always gonna shoot what makes me happy and I want everyone else to do the same! If you shoot one be proud of it and don’t worry what anyone else thinks. - SJ22
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Joined: Nov 2015
Posts: 21,456
Freak of Nature
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Freak of Nature
Joined: Nov 2015
Posts: 21,456 |
I think it may need some judicious file work. Go slow and take your time AC
Isaiah 5:20 Woe to those who call evil good and good evil, who put darkness for light and light for darkness, who put bitter for sweet and sweet for bitter.
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