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KM4 ris feeding issue


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#1 Tyrael

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Posted 03 April 2014 - 02:17 PM

Hello guys,

As my first post on this forum, this is a real tricky one for me and I'm totally stuck.

So lets see,

I have a KWAm4 ris and a kwa m4 s system, I opened up the RIS to change the spring because of fps limits in my country.

Now ever since i reassembled it, it has feeding issues. it ALWAYS feeds the first BB, all blank shots after that, if I reinsert the mag, it fires just the first one again.
Also when I give the mag a good slap, it sometimes fires another bb.
When I pull back the mag with a reasonable amount of force I hear a spring making some kind of noise, and the gun feeds.
so my guess is that the problem lies here somewhere.

- Its not the mags, I have 3 brands that feed the S system and fed the RIS before
- Its probably not the hop up, when I swap the barrel and hop unit with the SS, same problem
- its not the ammo
- its probably not the nozzle, it moves as it should  ( even compared it to the SS)
- I can also be pretty sure its not the battery

I have searched the forum a bit but didnt really find anything, so you guys please... help me!

Thanks alot

#2 Tyrael

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Posted 04 April 2014 - 12:42 PM

Well, this is solved

Almost too stupid to be true
The screw in my stock tube was too tight so it moved the gearbox a little that in its turn moved the bottom hop up piece a little which didnt allow the bbs to fully pass trough...

#3 BLATEY

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Posted 04 April 2014 - 12:58 PM

Lol, was just about to post pics. Good job.

#4 Tyrael

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Posted 04 April 2014 - 01:02 PM

I really didnt know what to do anymore hehe

I've only recently started to work on my guns,
decided to buy a defect one to actually start learning to do my own stuff

discovered a new aspect about this hobby and im totally loving it, and loving KWA!
It's like solving puzzles

#5 BLATEY

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Posted 04 April 2014 - 01:27 PM

IKR! I love doing this too, I'm going to start making my own gun from scratch!

#6 Tyrael

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Posted 04 April 2014 - 01:35 PM

hehe good luck with that!
Gonna take me a while before I start doing that




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