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2/5/2009 5:21:32 PM EDT
My buddy told me there was a list of Upper Receiver markings to determine brand. I have looked around and searched it but can't find it. My question is, I have an A2 upper receiver that is marked with an "A" on the carrying handle. I would like to know what brand it is made by, or have a link to a list of upper receiver marks.
2/5/2009 5:36:46 PM EDT
[#1]
If that is the only marking it will be hard to do.  Sounds like you only have a broken A, and if so that is a forge code for Anchor Harvey Forge.  They make lots of uppers for lots of other makers that finish them and sell them.  Another A code would be Armalite but you need to describe the A in question to know.
2/5/2009 5:42:20 PM EDT
[#2]
The A has a square hole where a normal A has a triangle, the left side when looking at it is open, this would be the upper corner of the square. This is located on the right side of the receiver just in front of the sight assembly.

Thanks for the help.
2/8/2009 5:49:47 PM EDT
[#3]
Based on your description, that doesn't sound like anything I've ever seen.  But that's only a forge maqrk, and tells you nothing about who actually took the raw forging and built an upper out of it.  Colt and FN upeers are marked w/an F or a C along w/the forge mark.  So you know it's not one of those. What you have is a commercially built upper reciever, and that's about all you can tell.
2/10/2009 12:53:26 PM EDT
[#4]
Quoted:
My buddy told me there was a list of Upper Receiver markings to determine brand. I have looked around and searched it but can't find it. My question is, I have an A2 upper receiver that is marked with an "A" on the carrying handle. I would like to know what brand it is made by, or have a link to a list of upper receiver marks.


A (splintered) = Anchor Harvey Aluminum

AF = Alcoa Forge

C AF = Colt Alco Forge

C MB = Colt / Mueller Brass

Cardinal (stylized) = Cardinal Forge

CH = Colt Harvey Aluminum

CK = Colt / Kaiser Aluminum

Circle/Crooshairs w/"AR" = ArmaLite

CM = Colt / Martin Marietta

D (stylized) = Diemaco

DK = Diemaco / Kaiser Aluminum

E = Emco

EK = EMCO/Kaiser

E MB = EMCO/Mueller Brass

F keyhole = FNMI / Cerro Forge

FA = FNMI / Anchor Harvey

FK = FNMI / Kaiser Aluminum

FM = FN/Martin Marietta

FMB = FNMI / Mueller Brass

Keyhole = Cerro Forge

L = Lewis Machine & Tool

LK = LAR / Kaiser Aluminum

LM = LAR / Martin Marietta

M (under diamond) = Mueller Industries

PA = Capco / Anchor Harvey

PM = Capco / Martin Marietta

2/10/2009 8:17:23 PM EDT
[#5]
http://www.biggerhammer.net/ar15/uppers/
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