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Cyma mp5 sd6
Hello,
I recently had my gun 'upgraded' by a 'gun doc' and im having some issues. The gun will not fire properly on the first 20 shots of each mag, often jammin or the bbs just drop 20 feet away. This was not happening before the work was done, but now is impeding my play. im using Cyma metal midcaps and goldenball .25g bb on a 330 fps gun. it has 3 rnd burst and semi, neither of which work until part way through the mag. i have not checked the hop up yet as i was wondering if it could be the bb or the mag
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