What kind of aluminum is used in the Norinco CQ-A/DA 556?

CanAm said:
The factory stated it is a forging alloy similar to 7075, but not 7075
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This is the answer I expected. 7075 alloy was developed by the Aluminum Association and is governed by a US specification, the chinese usually prefer to work with British standards or their own. One lab I used to work at routinely saw mild steels from China that were consistent, but didn't exactly match any American mild steel specification.
 
The upper and lower on my CQA were not forged....lower is cast, dunno if the upper was MIM as poster stated above as I sold it instantly.....
It's lighter then my other 6061 and 7075 lowers as well if that tells you anything.
 
BattleRife said:
This is the answer I expected. 7075 alloy was developed by the Aluminum Association and is governed by a US specification, the chinese usually prefer to work with British standards or their own. One lab I used to work at routinely saw mild steels from China that were consistent, but didn't exactly match any American mild steel specification.
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7075 was originally developed by the Japanese in secret and originally used to build the A6M Zero fighter planes.
 
Hitzy said:
The upper and lower on my CQA were not forged....lower is cast, dunno if the upper was MIM as poster stated above as I sold it instantly.....
It's lighter then my other 6061 and 7075 lowers as well if that tells you anything.
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I am not sure which one you have, or how old, but I saw the forgings being put in the CNC machines at the new plant for ours. This was the same visit where I asked about the alloys.
 
CanAm said:
I am not sure which one you have, or how old, but I saw the forgings being put in the CNC machines at the new plant for ours. This was the same visit where I asked about the alloys.
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Brand new $529 deal from the other guy...s/n is 2013, tag said 2012 manufacture...has not been in the same room as a CNC machine.... Lol
 
zupermann said:
.......which of course makes you hungry for more Chinese AR's :)
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MSG and high lead content! What could go wrong! You could invade pot smoking North America without firing a single shot. Now that's tactical!

Great entry AR. Really helps open the door for many who wouldn't be buying one otherwise. It's a gateway AR!
 
Epoxy7 said:
MSG and high lead content! What could go wrong! You could invade pot smoking North America without firing a single shot. Now that's tactical!

Great entry AR. Really helps open the door for many who wouldn't be buying one otherwise. It's a gateway AR!
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O...M....G..!!! Soon, one will find themselves spending all sorts of cash to support their politically incorrect habit. Federal Liberals/NDPers' and Red Tories will round us all up, and after punishing us and our families, will involuntarily admit us into The Betty Ford AR Rehab Center for "re-education".

Hmmmm..maybe I shouldn't be giving them any ideas--even if it's meant as a joke
 
deagle2008 said:
Has anyone ever seen a norc lower or upper fail? Im just curious
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The vast majority (over 99%) of all firearms failures of all kinds are ammunition related, probably more than that when you're looking at just catastrophic failures. I've never seen any situation where an otherwise normally functioning gun simply breaks in normal civilian use.
 
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