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Retro Arms - M4 - 8mm Gearbox Shell

  • 11495


  • CNC Gearbox Shell
  • 8mm Bearings
  • Quick change spring guide system
  • Deeper wire channels along gearbox base
  • Pre-radiused cylinder windows to distribute impact force


Part Number None
Material CNC Billet Aluminum
Color Black
Manufacturer Retro Arms
Compatibility V2 Gearbox AEG Rifles

DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.

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