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KWA USP full size FIRING short burst?


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I had a USPc that was doing this that I had to fix awhile ago. There are two things that you should check. First, is there any wear on the face of the hop-up bucking (from the feed nozzle? Second, is the gun firing BB's full auto or it is just cycling the slide full auto?


I found that my problem was that the inner barrel would move around in the outer barrel which meant that the feed nozzle wasn't able to align correctly and thus made the gun fire full auto. My quick fix was to use a wad of paper under the inner barrel/hopup mech so that I was pushed to the top of the outer barrel and couldn't move.


No guarantee that we had the same problem but there can't be that many things that make USP's go full auto right?

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