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Posted: 2/25/2008 8:45:52 AM EDT
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Anyone heard any rumors about these? Looks to work with standard FSB/gas block and comes with bolt carrier. piston retrofit I was thinking about sending an upper over to Kurt's for a KKF M9Evo Gas System until I saw the bushy. Kurt uses a propriety FSB and only replaces the bolt key. KKF M9Evo |
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