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Posted: 3/14/2006 6:20:14 AM EDT
Forgive me if this is an obvious answer. I did a search, but didn't come up with anything (both here, and google).
I recently purchased an AR-15 upper (16" Midlength A2) from M-AParts.com and the upper has an maker marking that looks to be a keyhole. The barrel isn't marked, and I was wondering who made it. Just for reference, no other reason. Also, is there a place where somebody has already compiled all of the maker markings so that I don't have to bug you guys with minor questions? Thanks!

Link Posted: 3/14/2006 7:16:07 AM EDT
Its the forging mark of Cerro Forging www.cerrofabricated.com/
Link Posted: 3/14/2006 7:53:43 AM EDT
Wow,never would have guessed that one! Who markets the Cerro Forging products? I had never heard of them prior to this.

Link Posted: 3/14/2006 11:25:02 AM EDT
I believe they make raw forgings for all the big companies, CMT, Colt, Bushmaster....... etc.
Link Posted: 3/14/2006 11:39:00 AM EDT
Link Posted: 3/14/2006 12:27:43 PM EDT
I have 2 bushy with the key hole
Link Posted: 3/14/2006 2:23:19 PM EDT

Originally Posted By vegas1037:

Excellent! The topic ended over 30 days ago, no wonder I never came up with anything!

And to the rest of you, thanks for the input! I guess the keyhole doesn't signify who marketed it like I hoped it would.

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