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KJW M4 upper receiver problem

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Old April 27th, 2019, 03:00   #1
zgzdgz
 
Join Date: Apr 2019
KJW M4 upper receiver problem

Hello there guys,suddenly after the shooting I noticed that my upper receiver started to go upwards a little bit,so I looked at it and it seems that the pin gone completely broken off from the part,so how's that could happen and what's the cheap fix for that ?
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Old April 27th, 2019, 19:51   #2
Jolly_Green
 
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Location: Grand Forks BC
Are you talking about the pins that hold the upper and lower together or did the block at the back of the upper break off?
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Old April 28th, 2019, 06:31   #3
zgzdgz
 
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Actually this one :

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Old April 29th, 2019, 12:12   #4
Jolly_Green
 
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You'll have to re upload your pics. The link is not working on my end.
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Old April 29th, 2019, 12:20   #5
zgzdgz
 
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https://prnt.sc/nhv002
https://prnt.sc/nhv034

Pictures working in my side,but just click on those links to see.
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Old April 29th, 2019, 12:26   #6
Jolly_Green
 
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Ok, I had the exact same part break. Long story short you need a new upper receiver. 007 airsoft in Calgary stocks them.

You can run it without that pin by running a ziptie through the trigger guard and then over the top to hold it together buts thats a temporary "up shit creek" solution.
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Old April 30th, 2019, 02:54   #7
zgzdgz
 
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So you think that part broke because it was weak or it's just design and will always break ?
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