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7/29/2017 12:00:09 PM EDT
Howdy,

I bought an M16A1 clone that came with this barrel.  I was under the impression I was buying a build with a new production barrel, but these markings make me think otherwise.  Could someone please give me some insight to this barrel?  I've looked at the part ID guides, and I think it might be USGI, but the forge code on the upper receiver is CH, which, correct me if I'm wrong, is post '74, and these barrel markings are '68-'70?  

Any help would be greatly appreciated.




7/29/2017 12:05:28 PM EDT
[#1]
Early Winchester 1/12 twist barrel?
7/29/2017 12:05:35 PM EDT
[#2]
MP12 barrels were the last barrel markings before the chrome chamber was added when the M16A1 was adopted.

MP12 barrels were made from mid 1966 - fall 1967. Your upper it is post 1974.

I think I just saw an MP12 barrel sell on gb for about $450 recently. Very nice score!
7/29/2017 12:11:44 PM EDT
[#3]
Thanks for the info!  Paid $920 for the whole rifle, and it's in great shape.  This is definitely a pleasant surprise!  I hope to get some nice pictures up when I can.
7/29/2017 12:55:48 PM EDT
[#4]
Quote History
Quoted:
Thanks for the info!  Paid $920 for the whole rifle, and it's in great shape.  This is definitely a pleasant surprise!  I hope to get some nice pictures up when I can.
View Quote
Pictures of the rifle?
7/29/2017 1:16:58 PM EDT
[#5]
Front sling swivel is held in with a roll pin too.
7/29/2017 2:39:40 PM EDT
[#6]
I won't be able to take pictures for a couple of days, but when I do I'll put them in the picture threads.

I was told this was put together from a parts kit, which appeared to comprise of the usual mid '70s parts, so I'm curious to see if I have anything else of interest.
8/12/2017 12:06:34 AM EDT
[#8]
Nice looking rifle, you did a good job on that one.
8/12/2017 6:03:13 AM EDT
[#9]
Nice buy.

Personally, if you plan to do a lot of shooting with it, I'd get a a CMP Chrome Bore marked barrel, and sell that one to someone who needs it for their early builds.
8/12/2017 7:44:38 AM EDT
[#10]
Very nice rifle and some really good photography as well.
Let me rephrase that... "VERY NICE RIFLE!". .
Thanks for the pics. .
8/12/2017 12:20:06 PM EDT
[#11]
Thanks gents.  I'm definitely considering getting a CMP Chrome Bore or Green Mountain barrel for shooting.  Collecting is nice, but I love shooting!
8/12/2017 12:57:56 PM EDT
[#12]
Can anyone comment on the accuracy of the Green Mountain Barrels?
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