Identify this AR upper

[Bucksaw]

Anyone know what manufacturer uses this makers mark? Got a 300BLK second hand (actually third or fourth hand) and the guy I got it from didn’t know what company it was. Just was wondering if anyone knew who made it.

Cant get pictures to load but the symbol looks like a keyhole.

[Double-O-Dave]

I think this article will help you:

https://www.cdsarms.com/upper-forgings/

BTW, I own 2 AR-15 pattern rifles (Colt and PSA) and both have the "keyhole".

Regards,

Dave

[Raider4044]

The keyhole is a pretty common mark, as a lot of manufactures use the same forgings.

[Bucksaw]

OK. Didnt know that. Only noticed it was different from my PSA rifle.

[roughneck266]

cerro forge. They make stuff for probably half the manufacturers out there.

[Bucksaw]

So if its just a forging mark, how do you identify the company that machined it. Just got my new 7.5” in today and it doesn’t even have a forging mark.

[Raider4044]

So if its just a forging mark, how do you identify the company that machined it. Just got my new 7.5” in today and it doesn’t even have a forging mark.

Most of the lower cost uppers don’t have anything except for the forge marks on them.


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