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Posted: 11/23/2010 5:45:47 AM EDT
| is there a reference guide to what mfg marks belong to who? my upper has what i guess you would call a key slot mfg mark on it |
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Splintered A is: Anchor Harvey
Key Hole is: Cerro Forge (they forge uppers for a lot of manufacturers) F keyhole is: FNMI / Cerro Forge 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 C MB is: Colt / Mueller Brass ? is: Cardinal Forge "Not sure what their design is? CH is: Colt Harvey Aluminum Crosshairs w/"AR" is: ArmaLite CK is: Colt / Kaiser Aluminum CM is: Colt / Martin Marietta D 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 |
. If I would have read it first, I would have caught that.
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Quoted:
is there a reference guide to what mfg marks belong to who? my upper has what i guess you would call a key slot mfg mark on it It's just a forge mark to denote that Cerro Forge produced the raw forging for the receiver. It doesn't give you an indication on which manufacturer machined & finished the receiver. |
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