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4/2/2008 6:17:12 AM EDT
Bought a complete 22 upper at a Houston Area gun show last weekend, it has a KEY HOLE looking symbol on the right side behind the shell deflector. What make would this be?? Any help appreciated, thanks in advance.
4/2/2008 7:34:06 AM EDT
[#1]
The keyhole is the mark for Cerro Forge, the manufacturer of the raw forging.  Several manufacturers buy forgings from Cerro, so without more info its not possible to tell.
4/2/2008 7:48:31 AM EDT
[#2]
thanks Skip
4/2/2008 8:12:35 AM EDT
[#3]
Manufacturers such as Colt and Bushmaster use Cerro forgings.
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