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Posted: 9/18/2011 12:02:52 PM EDT
Went out and bought a CMMG BHOA with an Upper and after fixing / breaking in the mags ( why I had to do that is still mystery) I still can't get the darn things to work. Any idea's ?????
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http://www.cmmginc.com/pdfs/BHOAinstructions.pdf
And read all the way to the bottom of tips and tricks. |
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