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Old 05-18-2011, 7:44 PM
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shadow65 shadow65 is offline
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Location: Southern Indiana
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No it is not a 9mm upper receiver. Standard Mil. upper receiver.
Because of the blast that comes out the side of an AR .22, and if you have spent much time with one you know, CMMG developed a deflector that fits on the side and splits the ejection port.
CMMG has also come out with a QD model for the guys using 5.56 and a conversion to switch back to a full sized ejection port door and no deflector.
Dave N
Independent Field Tester/Research and Developement

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