CNC Upper Gearbox for ICS EBB M4 Airsoft AEGs
SKU RA90788

Brand: Gear Stock
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Retro Arms CNC Upper Gearbox for ICS EBB M4 Airsoft AEGs

Specifications

  • Precision machined from a block of billet EN AW 7075 T651 aluminum
  • Quick change spring guide system (spring guide sold separately)
  • Reinforcement in key stress points to counter rapid wear from high performance parts
  • Pre-radiused cylinder windows - helps evenly distribute impact force
  • Compatible with ICS EBB Series M4 Airsoft AEG Rifles