DELTA ARMORY Complete gearbox for M4


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Airsoft starts with bunker 501

  • Complete V2 gearbox which includes SHS parts such as piston with 14 metal teeth, feed lever, piston wheel attachment. The Mechabox has a QRS system – quick spring replacement.
  • Weight: 500g

    Gearbox materials: metal

    Gearbox version: V.2

    Bearings: 7 mm