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KWA MP7 dumping entire all gas


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#1 airsoftjunkie

airsoftjunkie

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Posted 01 October 2012 - 11:08 AM

My MP7 started with a bad problem this weekend.
Fill the mag, insert, cosk and when you pull the trigger it dumps all the gas and 1 bb exits the barrel at a low velocity.
What could cause the issue?




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