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Cmmg bho

Discussion in 'Rifle Country' started by hapidogbreath, Dec 24, 2011.

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  1. hapidogbreath

    hapidogbreath Member

    May 5, 2009
    I put out some heavy coin for a CMMG upper with the BHOA option and 2 mags. Mags needed to be worked in to even feed and I still can't get the bolt to stay open on the last round. Does anyone out there have any idea how long this takes to break in or did I get a lemon. Have tried it on a DPMS lower and a RUGER.

    Any help would be great!:)
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