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V2 Mechbox Spring Upgrade

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Uploaded by on Jun 29, 2008

This video demonstrates how to open and upgrade a version 2 mechbox. In this video, you'll see the complete disassembly of a Tokyo Marui version 2 gearbox taken out of the M733.

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Education

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Standard YouTube License

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Uploader Comments (Mechbox6mm)

  • @Mechbox6mm new to airsoft, making a clone to my,ar15s for training at home. Got a jg m16a4 ris, what should be the first upgrade aside from shims?

  • @fusionstar916 If the gun is a newer JG, then everything should be mostly good to go inside. As you mentioned, check the shimming of the gears... Also, if you are running a LiPo battery in the gun (or want to), then check the angle of engagement between the sector gear and the piston's first tooth (video coming soon all about this!)

  • @fusionstar916 Also, I have seen 3 JG guns from 2009 where the trigger stop bar between the trigger and the sector gear, which keeps the trigger shuttle in its track, shears off. The post is part of the mechbox, and breakage means replacing the whole shell. Ensure that the sector gear does not rub against the post, and maybe file some material off of the top of the post in case it is being "pressed" by the top half of the shell. We're not sure what causes it to break yet.

  • fucking awesome video thanks!!!

  • @polanski27 You're very welcome! Please subscribe so that you see our new videos for other mechbox versions when they are released in January!

Top Comments

  • I wish my trigger would stay as still as his...

  • Such a good fucking video!!

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All Comments (166)

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  • a bearing spring guide is much more practical then bearing piston head, just use a plastic washer to make you piston much lighter improving fps efficiency

  • This guy just loves his lube.

  • Thankyou thankyou thankyou.... Great video!

  • 12:47 - 12:49

  • Rootbeer31@ no you should use an easily breakable paste incase you have to get back into your gearbox to make adjustments or upgrade again.

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