AR Sponsor
Posted: 3/18/2008 4:05:54 PM EDT
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Ok the barrel says BMP but how do you identify the upper reciever ? Thanks |
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I dont think you really can. I would assume that if the bbl and lower are BM then the upper and everything else may be too. A BM upper just like every upper under the sun(for the most part) will have a keyhole forge mark. but that is not unique to BM or any other company. |
AR Sponsor