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Help ID this Upper #6191468 02/20/16 02:08 AM
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aggiehunter03 Online Content OP
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Trying to help a friend figure out what upper he has. 300 BO and has this symbol on the receiver.

Re: Help ID this Upper [Re: aggiehunter03] #6191525 02/20/16 02:58 AM
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It could be 1 of 1000 generic uppers being made now. Lots of shops doing these on the side. Sorry I don't have your answer but it my just be a nondescript upper.

Re: Help ID this Upper [Re: aggiehunter03] #6191528 02/20/16 03:00 AM
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I thought it kind of resembled the Rainier Arms logo but haven't handled one in person.

Re: Help ID this Upper [Re: aggiehunter03] #6191545 02/20/16 03:16 AM
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I'd post that on one of the AR forums


[Linked Image]

https://web.archive.org/web/20170223065011/http:/www.rrdvegas.com/silencer-cleaning.html
Re: Help ID this Upper [Re: aggiehunter03] #6191553 02/20/16 03:21 AM
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Cardinal Forge


Originally Posted by unclebubba
Just to make sure that it is done thoroughly, I go both ways.

Re: Help ID this Upper [Re: TexFlip] #6191559 02/20/16 03:29 AM
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Originally Posted By: TexFlip
Cardinal Forge


+1

Cardinal forge make upper receiver blanks for many companies. For example:
RRA
DSA
Spikes Tactical
LMT
Stag
CMT


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Re: Help ID this Upper [Re: aggiehunter03] #6191577 02/20/16 03:56 AM
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Does Cardinal make them for YHM?

Last edited by aggiehunter03; 02/20/16 03:57 AM.
Re: Help ID this Upper [Re: aggiehunter03] #6193670 02/22/16 01:48 AM
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Below is some info I found on other sites, hope this helps.

Upper receiver forge markings:

Offset Square is: Brass Aluminum Forging
LMT is: No Forge Marks, but marked LMT or L is: LMT
AF is: Alcoa Forge
C AF is: Colt Alco Forge
A (splintered) = Anchor Harvey Aluminum
C MB is: Colt / Mueller Brass
Cardinal’s head (stylized bird head) is: Cardinal Forge
CH is: Colt Harvey Aluminum
Crosshairs w/"AR" is: ArmaLite
CK is: Colt / Kaiser Aluminum
CM is: Colt / Martin Marietta
D (stylized) is: Diemaco
DK is: Diemaco / Kaiser Aluminum
E is: Emco
EK is: EMCO/Kaiser
E MB is: EMCO/Mueller Brass
FA is: FNMI / Anchor Harvey
FK is: FNMI / Kaiser Aluminum
FM is: FN/Martin Marietta
FMB is: FNMI / Mueller Brass
LK is: LAR / Kaiser Aluminum
LM is: LAR / Martin Marietta
M "diamond" is: Mueller Industries
PA is: Capco / Anchor Harvey
PM is: Capco / Martin Marietta
Square (symbol) is: Brass Aluminum

M-16 markings:

CAF Colt / Alcoa Forge
CH Colt / Harvey Aluminum (1st Colt Forgings)
CM Colt / Martin Marietta
DK Diemaco / Kaiser
FK, FS, BK, DK, EK, FK, AF, CW, AA, FS Bushmaster
LK FN / Kaiser
LM LAR / Martin Marietta (Army Spares Contract)
“Splintered A” F: FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey
“Splintered A” C: Colt Anchor Harvey
Splintered A Olympic Arms? (Anchor Harvey)


My list of verified upper receiver forge markings used by AR-15 upper manufactuers/sellers


DSA - Cardinal forge
Rock River - Cardinal forge
Delton - Cerro forge, square
DPMS - Cerro
Spikes Tactical - Cerro
Stag - Cardinal, Cerro
LWRC- splintered A
Para USA - ZM
Knight’s Armament - Cerro (keyhole)
Wilson Combat - splintered A
Double Star - Cerro
Smith &Wesson - Cerro
Daniel Defense - Cerro
Sabre Defense - Cerro?
Remington - Cerro
BCM - Cerro, square
Bushmaster - Cerro
Stag - splintered A, Cardinal
J&T Distributing (Doublestar) - Cerro, C
CMMG - Cerro
Colt M4 - Cerro (C keyhole), square, Cardinal (“C“ bird‘s head), C AF


Originally Posted by onlysmith&wesson
I was wrong...on anything technical.

Originally Posted by Sailor
Fitz............. is right, ya know............
Re: Help ID this Upper [Re: aggiehunter03] #6195611 02/23/16 03:18 PM
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Me too.

Originally Posted By: aggiehunter03
I thought it kind of resembled the Rainier Arms logo but haven't handled one in person.

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