Every single stock & virgin Marui and ICS M4/M733/SR-16 gearbox I've worked on had a ported cylinder.
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Originally Posted by CDN_Stalker
Hmm, ok. I might not have noticed on some of the cylinders I've dealt with, but everytime I saw one I used to wonder "Why on some and not others?" Need to get MadMax or Illusion to break out their comments.
Just used the "Vondnik Shim Technique" and found the sector gear is set up nice, but there is a 0.5mm movement with the spur and bevel gear. Not comfortable with it, prefer a little less, but I guess we can't fault the guy for a reasonable job doing it.
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