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1/25/2018 7:38:29 AM
Posted: 3/21/2006 9:34:52 PM EST
How can you tell if a Colt upper is REALLY a Colt upper? I don't see any markings on it.

David

Pics will follow as needed.

Link Posted: 3/22/2006 4:56:34 AM EST
usually by the markings on the upper or bbl.
Link Posted: 3/22/2006 6:40:44 AM EST

Originally Posted By eklikwhoa:
usually by the markings on the upper or bbl.



Barrel is an EMCO. I found what the "LK" marking on the rear of the carry handle (on the A2) is... says it's a FN / Kaiser.

The other 2 uppers (flatops) both have "C AF" which says they are Colt / Alcoa Forge.

I am NOT familiar with the FN / Kaiser. Can someone throw me a clue or two please??

Thanks,
David
Link Posted: 3/22/2006 11:57:16 AM EST
"LK" is LAR / Kaiser.
Link Posted: 3/22/2006 12:33:22 PM EST
Ok so we know that "LK" = FN / Kaiser or
= LAR / Kaiser

Does anyone have experience with these uppers?? What quality and so on?

Thanks,
David
Link Posted: 3/22/2006 3:00:10 PM EST

Originally Posted By diveriter:
Ok so we know that "LK" = FN / Kaiser or = LAR / Kaiser



If it were FN, it would be "FK".
Link Posted: 3/22/2006 6:38:43 PM EST

Originally Posted By M4Madness:

Originally Posted By diveriter:
Ok so we know that "LK" = FN / Kaiser or = LAR / Kaiser



If it were FN, it would be "FK".



I was just going by this

Stamping Source
CAF Colt / Alcoa Forge (See above for photo)
CH Colt / Harvey Aluminum (1st Colt Forgings)
CM Colt / Martin Marietta (See above for photos)
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 Olympic Arms

from here

www.biggerhammer.net/ar15/uppers/

that's why I was wondering. It says a LAR is a "LM"

David
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