[Madbull] Ultimate 3-in-1 Hop Up Chamber Unit for M4 / M16 Series[Free Shark Hop Bucking]

[Madbull] Ultimate 3-in-1 Hop Up Chamber Unit for M4 / M16 Series[Free Shark Hop Bucking]

Description:

• Another practical innovation from MADBULL, this new metal hop-up unit / chamber has 3 functions in 1!
• Designed by airsoft player Brian Holt, Madbull implemented Brian's idea with the following smart features:
  
• 1. LED Tracer Unit (Optional item sold separately)
  
• 2. Chamber Lock (Prevents BBs from falling out when you eject magazine)
  
• 3. Easy adjustment using new design dial for more stable hop-up
  

Specification:

• Part No.: MB-HOPUNIT
• Colour: Silver and Black
• Material: Metal and Nylon Plastic
• Weight: 90g
• Compatibility: Tokyo Marui M4 AEG Series

1. Hop Up Chamber x 1set
2. Hop Up Bucking x 1set