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Hop-Up Issues

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#1 AirsoftinMaine



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Posted 31 March 2012 - 08:53 AM

A couple of weeks ago I went out to try my g36c for the first time in an actual game. The hop-up was surprisingly over-hoping .25's. .28's run perfect with the hop up dial all the way down. I decided I would take a look at bucking and the nub. I cleaned the bucking in warm soapy water, re-seated the nub, then shined a flashlight into it and tested that the dial was working. I noticed after turning the hop-up up works fine but when I turn it back down the little fins only go up about half way from "all the way off" and I half to push all the way up with something. I then went to go test it after pushing the nub all the way up and reassembling everything. It still over hoped .25's the same way it did before. I am also seeing some inconsistent "hoping" of the bb's, Every few rounds one or two bb's will either have more hop or less hop then the rest. I am using tsd .28's and tsd .25's (These are the only bb's my local store sells). What could be the issue here and how can I fix this? I also don't have any local repair shops around so thats out of the question. If I have to send it anywhere it would have to be straight to KWA.

#2 gcw360


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Posted 01 April 2012 - 05:41 AM

Sounds to me like the nub may a bit too long and getting caught in the window of the hop-up. Have a closer look to see if this is the case.  Some people have addressed this by trying to shorten the nub (by cutting it down).  I would recommend getting a hold of another nub as backup and trying to shorten yours if needed.

#3 philsaudio



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Posted 05 July 2012 - 07:49 AM

A little piece of 14 AWG wire insulation (like from romex) fits well. You can rat tail file an "H" nub shape into it. I have replaced lost nubs with this materiel and it worked well.

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