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Pre-Owned KWA KMP9

fps drop kwa kmp9 mp9 bolt

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#1 yawa2x

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Posted 07 May 2013 - 05:48 PM

Hello everyone i finally made an account here in KWA Forums to seek help and guidance.

First off this is my first KWA ever. It was purchased from the original owner. It shot very low even on 60 something in the house with .20's stock bolt it was just 320-340fps & CQB bolt shot 270+ FPS on .20's which i feel very low.

First problem was it would shoot 1-2-3-Nothing 1-Nothing 1-2-Nothing then my CQB bolt came in now it works fine. The original bolt assembly was worn out and was opened before so discarded it as a faulty, It had the green seal.

Second problem now is that the FPS is just low at 270+ with .20's. I clearly have no idea because i'm not that knowledgeable with GBBs entirely and i use propane if anybody was wondering. So i was rummaging around this forum section I couldnt find the same issue on hand with other threads. I cant find the source of the problem? Any help is gladly accepted :innocent:

Thank you for taking the time to read this. :tsuki:

#2 James1187

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Posted 26 July 2013 - 02:36 PM

It's not the propane, but maybe it had a propblem when you purchased it pre-owned.




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