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  1. #1

    Default MP5 gearbox to M4/Masada gearbox

    Alright so its summer project gun time. I'll either be getting a HK416 or a Masada. My plan is to gut the internals and replace them with a spare gearbox that I have, only issue is its set up for a MP5. I know its the same version II shell, but what all needs to be changed for me to put this gearbox into a HK416(internally an M4) or Masada?
    Kilo, SO
    SWC, Special Warfare Command
    Adapt, Evade, Overcome


  2. #2


    trigger, selector plate. Those are 2 i could think of right off. Defiantly some more though.

  3. #3
    Riptide's Avatar TF16 Member
    Join Date
    Jul 2009
    Houston, TX


    Selector Plate
    Cylinder (if you're really anal about barrel length and all)
    Wiring (Rear/Front depending your setup)

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