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Author Topic: How to fix play in magazine well on KWA G18C?  (Read 311 times)

TheBaren428

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How to fix play in magazine well on KWA G18C?
« on: January 08, 2012, 10:53:31 PM »

  I have a heavily modified/heavily used KWA G18C that I have had for a couple years now. It has well over 30k rounds through it. The problem I have been having lately is that it will not properly cycle the slide if I don't push the magazine up into the mag well. I am starting to lean towards the slide being the culprit just due to that age and usage of the gun, and if I gently push down on the slide there is substantially less play (up and down).  If anyone has any tips or tricks that may help it would be greatly appreciated. Also, I'm not sure if it makes any difference, but I have a Guarder steel magazine catch installed, so I'm not sure if that could be contributing to my problem too.
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Bloke

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Re: How to fix play in magazine well on KWA G18C?
« Reply #1 on: January 08, 2012, 11:49:25 PM »

Most likely the mag catch is catching it early and is too low. Maybe to fix this either get a new catch or mod the mag so it doesn't catch earlier. That's what I think. =/ sorry couldn't be much of a help.
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TheBaren428

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Re: How to fix play in magazine well on KWA G18C?
« Reply #2 on: January 09, 2012, 12:03:58 AM »

I'm not sure how I would go about doing that. I was considering trying to fit a shim in the frame under the catch, but it's pretty tight in there. I'm almost positive it's the slide though, just due to the sheer amount of rounds I've put through this thing. Anyone know where to find a replacement slide and/or frame??
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VFC SCAR-H, Stock. KWA G18C - Tightbore barrel, hammer spring, hi-flow valve, metal recoil spring, CNC rocket valve, polished outer barrel, and custom painted slide...more to come.

Hippo_Gangster

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Re: How to fix play in magazine well on KWA G18C?
« Reply #3 on: January 09, 2012, 09:34:19 PM »

If it is KWA, I think you can send it in to KWA and they will fix it if it is a mechanical problem. If I understand the problem correctly, which I probably don't, you can just use some Black electrical tape on the sides of the magazines. I did that with my AABB extended mag,and now there is practically no mag wobble at all.
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TheBaren428

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Re: How to fix play in magazine well on KWA G18C?
« Reply #4 on: January 10, 2012, 02:01:43 PM »

The problem is that the magazine isn't sitting high enough into the mag well and won't seal to the blow-back chamber properly. If I press the magazine up into the frame (which causes it to make full contact with the blow-back chamber) it functions flawlessly. Also, when I push up on the magazine I can see the slide moving up on the upper frame, which as I said before leads me to believe that the slide has excessive play in it and will need to be replaced.
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VFC SCAR-H, Stock. KWA G18C - Tightbore barrel, hammer spring, hi-flow valve, metal recoil spring, CNC rocket valve, polished outer barrel, and custom painted slide...more to come.
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