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KWA mp7 isnt shooting

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#1 Will Boardman

Will Boardman


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Posted 25 November 2013 - 10:48 AM

Hi there im new to gas blowbacks and my h&k mp7a1 isnt shooting. When i put a mag into the gun without bbs it creates air out the end of the barrel. but when i put bbs in it doesnt shoot and they get stuck.Whats my Problem!? i spent alot of money on it and i cant get it to work.

#2 Chuck S

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Posted 25 November 2013 - 04:34 PM

Fill the magazine for 45 seconds with the gas can pointed DOWN so liquid gas fills the magazine -- just like the drawing in the owners' manual.  :)  If you point the gas can nozzle up you just get a little gas and the gun will run as you describe.

45 seconds is probably over kill, but you can't overfill the magazines.

-- Chuck

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