Upper Receiver identification? - Page 2 - M14 Forum

M14 Forum

Upper Receiver identification?

This is a discussion on Upper Receiver identification? within the M16 AR15 forums, part of the Rifle Forum category; How about some pics , to help me i.d my upper , i think its a cmmg( it has keyhole symbol and a f marked ...

Go Back   M14 Forum > Rifle Forum > M16 AR15

LinkBack Moderator Tools Display Modes

Old June 21st, 2008, 10:56 PM   #16
Snappin In
bustincaps's Avatar
Join Date: Mar 2008
Location: arizona
Posts: 33
How about some pics , to help me i.d my upper , i think its a cmmg( it has keyhole symbol and a f marked front site)

Last edited by bustincaps; July 20th, 2008 at 12:27 PM.
bustincaps is offline  
Remove Ads
Old June 4th, 2011, 10:34 PM   #17
Join Date: Mar 2009
Location: Titusville, FL
Posts: 109
Is there any reason why the pics haven't worked for over 6 months now? If this is going to be a sticky it should at least work

schaz42 is offline  
Old September 9th, 2011, 01:40 PM   #18
Old Salt
ripcord's Avatar
Join Date: Jul 2007
Location: Central Florida
Posts: 1,310
Picture links still do not work. Can any of the Moderators please get this fixed....it would be nice to have a visible ID guide.

ripcord is offline  
Old September 9th, 2011, 10:36 PM   #19
Old Salt
nicholst55's Avatar
Join Date: Nov 2004
Location: Daegu, Korea
Posts: 1,614
Here's a link to an upper receiver ID page that works. It's a bit dated, but still useful:

Bigger Hammer

Thanks from SGV
nicholst55 is offline  
Old May 7th, 2012, 08:14 PM   #20
Banned Camp
Join Date: May 2011
Location: se florida 01/sot
Posts: 1,190
http://www.ar15.com/content/swat/keepitrunning.pdf lubing ar15

dprice3844444 is offline  
Old August 14th, 2014, 09:40 PM   #21
Squad Leader
straycat's Avatar
Join Date: May 2014
Location: Kentucky
Posts: 291
My 76 SP1 markings
Colt/Martin Merietta.
Not sure what the proof mark is on the front side close to the ejection port
Attached Images
File Type: jpg 002.jpg (15.0 KB, 6 views)
File Type: jpg 003.jpg (11.9 KB, 8 views)

straycat is offline  
Old December 29th, 2015, 01:03 AM   #22
Join Date: Dec 2015
Location: Seattle
Posts: 7
Straycat, appears to be a C in a square, (a Colt factory proof mark).

ohearchai is offline  

  M14 Forum > Rifle Forum > M16 AR15

Search tags for this page
ar15 a-2 upper receiver markings
ar15 a2 upper receiver markings

ar15 upper markings


colt upper receiver markings


how to tell who made your upper receiver

id ar15 upper


machining stamp for a2 upper receiver

no c mark on m4 carbine upper


raised letter c colt reciever

rear pin hole size on ar-15 upper receiver
what does the c stamp mean on colt m4
Click on a term to search for related topics.

Moderator Tools
Display Modes

Similar M14 Forum Discussions
Thread Thread Starter Forum Replies Last Post
Norinco M14 Serial Number Database - North America Different Reference 156 Yesterday 04:35 PM
Going to try Fulton Armory's inspection service & see what is good and bad... jws360 The M14 138 March 12th, 2012 05:53 PM
Disappointment with LRB receiver 014XX Gus Fisher Gus Fisher 41 August 18th, 2009 09:42 PM
Is LRB really that much better than SAI? Windstar Modern M14 41 June 4th, 2009 10:01 PM

Top Gun Sites Top Sites List