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9/14/2003 9:20:30 AM EDT
Its a key hole marking, who made it ?
And is it a good upper receiver ?
9/15/2003 3:02:12 AM EDT
[#1]
No way to tell. The keyhole is the mark of the forge that turned out the raw blank, and all the major aftermarket manufacturers are using blanks by the same 2 or 3 forges.
9/15/2003 1:16:03 PM EDT
[#2]
This is what I learned from a previous post:


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Quoted:
The upper reciever forgings with the keyhole with two dots inside is manufactured by Cerro Metal Products. I was talking to one of their Rep's the other day and I asked what the symbol stood for. This is what I was told (as close as I can remember anyway). The first dot represents the customer the other dot represents Cerro. They are enclosed in a key hole because their relationship is the "key to their success".
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Thanks for that info, its been a popular question lately.
Cerro Fabricated
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