User Panel
User Panel
User Panel
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Posted: 4/19/2017 2:50:23 PM EDT
[#1]
Not if both are in spec. Maybe some color variation in the anodizing.
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Posted: 4/19/2017 4:43:50 PM EDT
[#2]
Not as long as your lower isn't some goofy ban era lower, which I don't believe it should be with a '99 production date.
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Posted: 4/19/2017 4:55:19 PM EDT
[#3]
Quote HistoryQuoted:
Not as long as your lower isn't some goofy ban era lower, which I don't believe it should be with a '99 production date. |
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Posted: 4/19/2017 5:01:02 PM EDT
[#4]
Building a 10.5 AR pistol now and using an Anderson lower for the first time. Everything went together fine except for the bolt catch plunger didn't seem to want to go in deep enough to let the bolt catch line up with the roll pin. Thought maybe hole wasn't drilled deep enough. Looked in the hole and it was half full of some crud.
Cleaned it out, no problems, went together like it should, lesson learned. Just waiting for a trigger in the mail and I'll be ready to go shoot. |
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Posted: 4/19/2017 5:07:22 PM EDT
[#5]
I probably didn't ask the question properly; the Anderson stripped lower
receiver is a new purchase from Brownell's and my upper is my Colt manufactured 1999. I have anticipated the possibility of the pivot pin needing replaced but as far as the gun functioning properly, rounds feeding, that is my main concern. Thanks for your comments and advise so far. Nick |
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Posted: 4/19/2017 5:13:14 PM EDT
[#6]
Once an upper and lower are mated, you start the reproductive cycle, and before you know it, many other rifles appear.
But no, there should be no problem. |
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Posted: 4/19/2017 5:30:43 PM EDT
[#7]
Quote HistoryQuoted:
Ban ended in '04, so that is "ban era". The only issue I know of is colt used a large front pin at some point. If your front pin on your upper is bigger than 1/4" you will need a special bushing that only costs a few cents. I think JSE surplus has it if you need it. 
OP, as stated by AASG, there are 2 sizes for the front pivot pin hole: 0.310" and standard 0.250". Adapter bushing again takes care of that. Pic below 
 Attached File |
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Posted: 4/19/2017 7:07:33 PM EDT
[#8]
Quote HistoryQuoted:
Ban ended in '04, so that is "ban era". The only issue I know of is colt used a large front pin at some point. If your front pin on your upper is bigger than 1/4" you will need a special bushing that only costs a few cents. I think JSE surplus has it if you need it. Quote HistoryQuoted:
Quoted:
Not as long as your lower isn't some goofy ban era lower, which I don't believe it should be with a '99 production date. 
As stated, if your receiver has a pivot pin diameter larger than. 250" you'll need to use an adapter or a pivot pin bushing. Brownell's I believe has a couple different options in stock to allow the two to be used together. |
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Posted: 4/19/2017 7:52:17 PM EDT
[#9]
I've used several large hole colt uppers on standard lowers with a bushing, no problem at all.
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Posted: 4/19/2017 9:13:35 PM EDT
[#10]
Thanks again for the quick responses guys.
This site is definitely the place to come to for good, solid advise. Really appreciate the help Nick |
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