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   Top » Catalog » MADBULL » MAD-109-MB-UCS-S-10
MADBULL MP5-A4/A5/SD5/SD6 AEG Upgraded Cylinder Set [MAD-109-MB-UCS-S-10]
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MADBULL MP5-A4/A5/SD5/SD6 AEG Upgraded Cylinder Set

The Madbull Standard Cylinder Set has all the necessary parts to upgrade or replace the cylinder assembly in your gearbox. The Cylinder Set includes a cylinder head, air seal nozzle, Madbull Alien green PX piston, the cylinder, and a polycarbonate mushroom piston head w/ bearings. The Cylinder set is compatible with most major brands of AEG. Take your standard gearbox to the next level of performance with the Madbull upgraded cylinder set. It is a must have for a high quality build.

Package include:

  • Cylinder
  • PX02 Full Teeth Piston
  • Cylinder head
  • Nozzle
  • Mushroom Piston head
  • Bearings


  • High volume air intake
  • Madbull Alien green full metal teeth piston
  • Mushroom Piston head
  • Light weight durable construction
  • Max compression

For optimal use in MP5-A4/A5/SD5/SD6, G36C, AK-Beta, and Sig-552 versions please use .28 or .30 weight bb’s.



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