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1/25/2018 7:38:29 AM
Posted: 3/26/2006 6:37:59 PM EST
[Last Edit: 3/27/2006 5:02:04 AM EST by quijanos]
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?
Link Posted: 3/26/2006 6:43:46 PM EST
The upper forging was made by Cerro Forge. Several mfgrs use Cerro uppers (my bushy is one).
Link Posted: 3/26/2006 6:46:24 PM EST
Colt?
Link Posted: 3/26/2006 6:46:54 PM EST
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.
Link Posted: 3/26/2006 7:01:03 PM EST
After closer inspection its a keyhole with 3 dots (vertically) inside the keyhole. ?? any ideas?
Link Posted: 3/27/2006 5:01:10 AM EST
morning bump
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