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Does Anyone Recognize this AR upper marking?

happygoschmucky

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I’m assuming BCA?
FB9A6528-44A0-43EF-86B4-2942EB4CC966.jpeg
 
It almost resembles the forge mark on a Spikes Tactical upper receiver. Spike Tactical Forge marks on their upper receivers resembling the splintered ( A ) instead of the arrowhead that appears to be on yours. The A is Anchor Harvey Forge.
 
That upper marking you’re looking at is called a “forge mark”.

BCA doesn’t have a forge mark, because BCA doesn’t forge uppers.

Manufacturers like Colt will buy upper receivers from a wide selection of forges.

AR-15 Upper Receiver Forge Markings:
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
Circle/Crosshairs w/ “AR” = ArmaLite
CK = Colt / Kaiser Aluminum
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
Square = Brass Aluminum Forging Enterprises

The two most popular symbols you will see on AR uppers are the ‘Keyhole’ (Cerro Forge) and the ‘Square’ (Brass Aluminum Forging Enterprises), but you will see more if you keep your eyes open.
 
That is the mark for Cardinal Forge. It’s a stylized cardinal’s head, facing to the right.

They have supplied upper forgings for numerous manufacturers, including Colt, LMT, Bushmaster, DPMS, and many more.
Great honest and true info.-Glad a few know the truth. Thank you
 
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