Quote:
Originally Posted by LastSpartan
Also round the corners of the gearbox's window if it has one (Never seen a MP7 gb) with a round file.
And I don't think you should glue the bushings in...
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You haven't asembled a MP7 yet then. They have 4 gears each with a micro 4mm bushing... it takes me almost an hour to close with everything in there.
I worked on at least 3 MP7s, fired all 3 outside the mechbox for testing (their trigger is very problematic) and none assploded. One of them had all the possible Nineball parts, including stronger spring.
I found that when the nozzle or cylinder head start to wear out, the nozzle will jam easilly because the friction overcomes the little spring inside the mechbox. I removed the o-ring inside the nozzle to solve the issue on one (with 2 FPS drop, probably because the nozzle was not seating properly to start with). That will cause multi-feed and trouble.