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Page AR-15 » AR-15 / M-16 Retro Forum
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Posted: 9/21/2014 2:49:39 PM EDT
I have been offered these NIW Colt 1:12 chrome lined 20" barrel assemblies as trade bait for a rifle I am selling.

Email sent for more details, but I am thinking they include front sights and delta ring assemblies.  

Questions:

1)  How do I determine authenticity?

2) Rarity and value?
Link Posted: 9/21/2014 3:29:20 PM EDT
[#1]
Check out the variation guide in the forum for some good pictures of original barrels.  Value would depend greatly on the period it was made as Colt made many changes over time.
Link Posted: 9/21/2014 5:38:00 PM EDT
[#2]
Fortis,



From the variation guide, the barrels are

Starting in 1974 and after serial number 4,900,000 chrome bores were marked C MP CHROME BORE. This marking was used all the way until the end of M16A1 production:
View Quote


Barrel nuts, front sights and sling swivels are present.




Another "complete transitional upper" has been offered.   Getting more information on it.
Link Posted: 9/21/2014 7:45:13 PM EDT
[#3]
I've never seen NIW Colt Barrel assemblies with slip ring assemblies installed, they could very well be NOS barrels but someone installed the slipring assemblies. NOT a bad thing and a small bonus if the slip ring assemblies are NOS as well.
Link Posted: 9/21/2014 8:20:26 PM EDT
[#4]
Said to have the slip ring assemblies, but they are not installed.

Value of these barrels?
Link Posted: 9/21/2014 8:24:23 PM EDT
[#5]
Link Posted: 9/21/2014 9:55:53 PM EDT
[#6]
Saw that thread.

Since I needed to ID them first, I thought one thread  would be better.

Oh well.
Link Posted: 9/21/2014 10:12:41 PM EDT
[#7]
pictures would help...
Link Posted: 9/21/2014 10:38:05 PM EDT
[#8]
OP - check your IM box
Link Posted: 9/22/2014 8:11:48 AM EDT
[#9]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
OP - check your IM box
View Quote


Received.  Thank you!  
Link Posted: 9/22/2014 8:13:45 AM EDT
[#10]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
pictures would help...
View Quote


The pictures I have recieved would just be followed with a comment like "Clear pictures would be useful."    
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