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Kwa Kmp9R Problems :(


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#1 Bushhead97

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Posted 20 February 2012 - 05:07 PM

Well today i traded my KWA M9 PTP for a KMP9R. i got it and i LOVE it. I have 1 problem though, i have some problems when it shoots.

Sometimes it shoots, sometimes it doesnt. If i recock it it shoots fine for 1-7 Shots.

I have 2 mags and it does it with both mags.

Stats:
FPS:350
Gas type:Green Gas
BBs:Elite Force .25g



So what do you guys/girls think is the problem? and how hard will it be to fix?

#2 gcw360

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Posted 20 February 2012 - 05:26 PM

You need to stretch part #162, the disconnector spring.  This will allow the bolt to return to battery.  You can stretch it with a flat screwdriver or needle nose pliers.  Just remember, you can't "unstretch" it so go slow and adjust as needed.

The approach I used when I encountered the problem was to take a flat screw driver, pick a point near the middle of the spring, insert the screwdriver between two coils of the spring, and give a little twist.  Using needle nose pliers will do the same thing if you insert the pliers in between the coils and squeeze.  I prefer the screw driver technique.  A stretch of about 1/8" should work.

#3 Bushhead97

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Posted 20 February 2012 - 05:31 PM

Ok thanks! Someone suggested my trigger spring may be broken?

#4 gcw360

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Posted 20 February 2012 - 05:32 PM

No, that isn't it. Not if it works sometime and others not.

#5 Bushhead97

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Posted 20 February 2012 - 05:36 PM

So that spring thing, any way you can get me a picture? Im a younder player(14) and im not the best tech, but not many gas gun tehs in GA :/

#6 Bushhead97

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Posted 20 February 2012 - 05:45 PM

Posted Image


Is it that spring you can see on the lower reciever? The one with the VERY tight coils?

#7 gcw360

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Posted 20 February 2012 - 06:29 PM

Look at the manual that came with the gun to find the part...that should help.  If I can find a picture I will post it.  It's not shown in the picture you posted.

#8 Bushhead97

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Posted 20 February 2012 - 06:47 PM

I traded the gun o.O i have no manual...

#9 gcw360

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Posted 20 February 2012 - 06:53 PM

Then look here: http://kwausa.com/fi...10_KMP9_V01.pdf

Hope that helps.

#10 Bushhead97

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Posted 20 February 2012 - 07:00 PM

Kinda, buy i swear that spring in that picture is it...

#11 dobey

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Posted 20 February 2012 - 08:00 PM

The spring in that picture (which is my gun btw) is part number 73 and is not the one you need to stretch a little.  You want part number 162.

You can see it here just at the left side of the picture near that phillips head screw:

Posted Image

#12 gcw360

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Posted 20 February 2012 - 08:02 PM

Thanks Dobey.

#13 Snake8

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Posted 21 February 2012 - 07:25 PM

gcw360 can u make a video tutorial how to do it plz! I will appreciated it. Thank you

#14 niko_gpsy

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Posted 22 February 2012 - 06:29 AM

Yes, gcw360. Pleeeeaaaase?......................................................... :hithearts:   lol

#15 gcw360

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Posted 22 February 2012 - 04:00 PM

Sure, just need a video camera....

#16 greatwatermelon

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Posted 22 February 2012 - 06:35 PM

I sense a conflict in your next purchase...

KWA vs. Much needed Video Cam.

:tsuki:

#17 gcw360

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Posted 22 February 2012 - 07:11 PM

Yea, it's killing me!

#18 apacifico3

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Posted 22 February 2012 - 08:52 PM

View Postgreatwatermelon, on 22 February 2012 - 06:35 PM, said:

I sense a conflict in your next purchase...

KWA vs. Much needed Video Cam.

:tsuki:

Haha!


View PostBushhead97, on 20 February 2012 - 05:36 PM, said:

So that spring thing, any way you can get me a picture? Im a younder player(14) and im not the best tech, but not many gas gun tehs in GA :/
I tech and repair gas guns and AEGs and I live in GA. Whowouldathunk? Anyways, Dobey and GCW are right- the disconnector spring needs to be stretched a tad bit.

I'll post a vid when I get the chance.

Edited by apacifico3, 23 February 2012 - 02:42 AM.


#19 Bushhead97

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Posted 04 March 2012 - 10:13 AM

Thank you all for the help, i realized i dont even have to take the bolt out :) But ya, i loosened the spring and now the gun shoots AMAZING. I cant believe i didnt buy one of these before. Also, One of my mags the tip is farther off the metal casing than the other. Do i need a new tip?




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