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Vector Feeding/Jamming Issue


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#1 Genghis

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Posted 03 May 2014 - 11:32 AM

Hey any versed Vector experts,

I've recently been shooting my Stock KWA Kriss Vector and experienced some jamming issues with double and triple feeding. Every few shots, more commonly on double-burst and auto, the bolt gets stuck at the point where BB's are loaded. When I pull the bolt back, I see 2-3 BB's stuck in between the barrel and the feeding lip. After I shake out the extra BB's and shoot it, two BB's fly out, then it's back to normal. Any clue what's going on?

Here's the what I've tested so far:
  • Oiling most internal moving parts and the bolt (2 in 1 household oil)
  • Scrubbing the internals to remove as much of said oil as possible
  • Used brand new Green Gas
  • I've tried Elite Force .25's and new Javelin .20 BB's
  • I've changed the hop-up to a lower setting
  • Held the mag up to the gun and pulled on it downwards while shooting
Any feedback will be greatly appreciated, Thanks!

#2 gcw360

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Posted 04 May 2014 - 07:26 AM

View PostGenghis, on 03 May 2014 - 11:32 AM, said:

Hey any versed Vector experts,

I've recently been shooting my Stock KWA Kriss Vector and experienced some jamming issues with double and triple feeding. Every few shots, more commonly on double-burst and auto, the bolt gets stuck at the point where BB's are loaded. When I pull the bolt back, I see 2-3 BB's stuck in between the barrel and the feeding lip. After I shake out the extra BB's and shoot it, two BB's fly out, then it's back to normal. Any clue what's going on?

Here's the what I've tested so far:
  • Oiling most internal moving parts and the bolt (2 in 1 household oil)
  • Scrubbing the internals to remove as much of said oil as possible
  • Used brand new Green Gas
  • I've tried Elite Force .25's and new Javelin .20 BB's
  • I've changed the hop-up to a lower setting
  • Held the mag up to the gun and pulled on it downwards while shooting
Any feedback will be greatly appreciated, Thanks!
Sounds like the bucking may have gotten swelled.  Is there oil in the hop-up chamber?

#3 Genghis

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Posted 04 May 2014 - 12:16 PM

View Postgcw360, on 04 May 2014 - 07:26 AM, said:

Sounds like the bucking may have gotten swelled.  Is there oil in the hop-up chamber?
That's an excellent theory, I'll check it out. The hop-up is just stock and I'm a bit afraid about putting it back together, is there a good way to fix that problem without fully removing the bucking?

#4 gcw360

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Posted 04 May 2014 - 01:11 PM

View PostGenghis, on 04 May 2014 - 12:16 PM, said:

That's an excellent theory, I'll check it out. The hop-up is just stock and I'm a bit afraid about putting it back together, is there a good way to fix that problem without fully removing the bucking?
Not if that's the issue.




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