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AR15.COM
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9/12/2007 5:45:33 PM EDT
I just got one are they pretty good as far as quality, they forge marks are C followed by a mark that looks like a weird A

those are the Colt A3 upper marks right, has white T marks milled into the receiver
9/12/2007 7:01:10 PM EDT
[#1]
Upper made by Alcoa Forge, hence the wierd A (A+F put together=Alcoa Forge), used by Colt to make their uppers.
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