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3/26/2006 7:37:59 PM EDT
Looking at a "Keyhole" marked upper receiver and have only seen the pics.  What type of receiver is this?   I tried looking for the symbols chart but can't find it.


eta
After closer inspection its a keyhole with 3 dots (vertically) inside the keyhole. ?? any ideas?
3/26/2006 7:43:46 PM EDT
[#1]
The upper forging was made by Cerro Forge.  Several mfgrs use Cerro uppers (my bushy is one).
3/26/2006 7:46:24 PM EDT
[#2]
Colt?
3/26/2006 7:46:54 PM EDT
[#3]
Can't tell the upper manufacturer from the "keyhole" symbol.

 That's a forge marking from Cerro forge, and many manufacturers use their products; including Colt (but would also be marked C next to it), Bushmaster. DPMS, and RRA to name a few.
3/26/2006 8:01:03 PM EDT
[#4]
After closer inspection its a keyhole with 3 dots (vertically) inside the keyhole.  ??  any ideas?
3/27/2006 6:01:10 AM EDT
[#5]
morning bump
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