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Posted: 2/13/2006 6:28:19 PM EDT
I'm looking at a upper that has a P and M under the rear site. Any idea who made it?

ETA: I looked at www.ar15.com/forums/topic.html?b=3&f=12&t=223495
But I don't see the P and M markings ...
Link Posted: 2/13/2006 6:32:04 PM EDT
[#1]
Link Posted: 2/20/2006 10:32:58 AM EDT
[#2]
Anyone else?
Link Posted: 2/20/2006 10:47:52 AM EDT
[#3]
M could mean Martin Marietta


what kind of upper is it? A1?
Link Posted: 2/20/2006 10:59:05 AM EDT
[#4]
I'll venture and say its a Martin Marietta forging finished by CAPCO...


What type of receiver is it? A1 or A2?
Link Posted: 2/20/2006 11:00:03 AM EDT
[#5]
M = Martin Marietta

P = Capco, Inc.


Capco, Inc. (P) made uppers for retrofitting

I'm guessing it's an A2
Link Posted: 2/20/2006 11:02:53 AM EDT
[#6]
It's a M16A1 upper with forward assist, no shell deflector.
Link Posted: 2/20/2006 11:43:35 AM EDT
[#7]

Quoted:
It's a M16A1 upper with forward assist, no shell deflector.



Take it, they're not easy to find, plenty of other people would take it off your hands, me included
Link Posted: 2/20/2006 12:15:31 PM EDT
[#8]

Quoted:
It's a M16A1 upper with forward assist, no shell deflector.



CAPCO was the largest supplier out of four contractors for the M16A2 conversion kits that were produced for the military... That particular A1 receiver probably became surplus after the conversions were completed...
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