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AR15 upper manufacturer?

bigtirebigtire Member Posts: 24,800
edited June 2010 in Ask the Experts
Who made this AR15 upper? This keyhole mark is the only thing I can find on this upper that might identify it's origin.

Thanks

mark.jpg
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    101AIRBORNE101AIRBORNE Member Posts: 1,252 ✭✭
    edited November -1
    I believe that the marking is for Cerro Forge.
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    dcs shootersdcs shooters Member Posts: 10,969
    edited November -1
    quote:Originally posted by 101AIRBORNE
    I believe that the marking is for Cerro Forge.


    This is right on [;)]
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    shoff14shoff14 Member Posts: 11,994 ✭✭✭
    edited November -1
    With the information you have given there is no way to tell who made the upper. Many companies use Cerro upper receivers to build guns out of.

    Does they barrel not have any markings?
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    TxsTxs Member Posts: 18,801
    edited November -1
    Your upper's manufacturer received a piece of in-the-white aluminum which was roughly shaped like an upper receiver from Cerro Forge.

    They then machined it out to their specs and applied the finish.

    In other words, this marking really just indicates the quality of the aluminum itself.
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