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EMG x Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4/M16 Series Airsoft AEGs (Color: Blue)

Features

  • CNC machined construction
  • Rotary design allows for easy adjustment
  • Constructed from EN AW 7075 for extended lifespan
  • All necessary hardware included
  • Bucking not included
Compatibility: Most M4 series Airsoft AEGs
Material: Aluminum alloy

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