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Posted: 7/26/2016 8:47:50 PM EDT
[Last Edit: Molon]
The following are all forge marks from genuine Colt upper receivers that I've purchased.
.... Colt proof marks 
.... Colt bolt marks. 
..... Colt barrel stamps 
...... Add your pics of additional upper receiver forge marks (and other identifying marks) that you know FOR A FACT are genuine Colt parts. ... |
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Posted: 7/27/2016 1:39:13 PM EDT
[#1]
I can add a couple after work tonight.
What about lowers and other parts? |
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Posted: 7/27/2016 1:41:13 PM EDT
[#2]
Thats awesome
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GA, USA
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Posted: 7/27/2016 7:20:14 PM EDT
[#3]
I have a Colt Martin A2 upper marked just like the pic here from Quarter Bore http://www.biggerhammer.net/ar15/uppers/
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Posted: 7/27/2016 8:56:12 PM EDT
[#4]
Quote HistoryOriginally Posted By Blofeld:
I have a Colt Martin A2 upper marked just like the pic here from Quarter Bore http://www.biggerhammer.net/ar15/uppers/ Speaking of A2s . . .
.... |
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Posted: 7/27/2016 9:21:47 PM EDT
[#5]
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Posted: 7/27/2016 9:24:30 PM EDT
[Last Edit: SSeric02]
[#6]
Here's one I got awhile back. Same uppers were used on the 6320.
And here's a 733 upper with no forge markings at all. 
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Posted: 7/28/2016 4:41:28 PM EDT
[#7]
Colt AR15A4 and two 6920s:
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Posted: 7/30/2016 12:28:55 PM EDT
[#8]
Quote HistoryOriginally Posted By azoutdoorsman:
What about lowers and other parts? Sounds good. I'd like for this the remain just genuine Colt parts though, to serve as a reference. Colt bolt marks added to original post. .. |
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MI, USA
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Posted: 7/31/2016 12:32:27 PM EDT
[#9]
+1 for colt lower receiver rollmarks!!!
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NJ, USA
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Posted: 7/31/2016 2:18:43 PM EDT
[Last Edit: jkirkon]
[#10]
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Posted: 8/6/2016 10:35:17 PM EDT
[#11]
Colt proof marks added to original post.
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Posted: 8/15/2016 7:32:04 PM EDT
[#12]
Colt barrel stamps added to original post.
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Posted: 1/6/2017 8:05:27 PM EDT
[#13]
BTT
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Posted: 1/12/2017 1:53:13 PM EDT
[#14]
BTT for FN handle discussion
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OH, USA
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Posted: 1/13/2017 1:20:22 AM EDT
[Last Edit: familyman357]
[#15]
C MP C barrel stamp. This stamp is on the under side of the barrel (the top and sides are unmarked).
This dates to the brief period from about '68 to '69 when Colt was chroming the chamber, but not the bore (yet). This was on a government-supplied M16A1 obtained by a police department under the 1033 program (I converted it to semiauto only for the department). The upper receiver was devoid of the Colt "C" or forge markings, like the 733 upper receiver posted above. It had the teardrop forward assist and did not have a brass deflector, though. 
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LA, USA
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Posted: 4/5/2018 10:03:33 AM EDT
[Last Edit: fltacoma]
[#16]
I'll bite!
These proof markings are from my Colt 6520 that I recently purchased. These proof markings are on the upper right side of the ejector port door.  [/url]
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