Cylinder & Cylinder Heads
Cylinders & Cylinder Heads for Maximum Air Seal and Efficient Compression
The cylinder and cylinder head form the heart of the compression system within an AEG gearbox. These parts determine how much air is displaced per shot and how efficiently that air is transferred to the nozzle and hop-up unit.
Within this category, you will find cylinders and cylinder heads from Maxx Model and Guarder, supplemented with models from Point, Prometheus, Action Army and Retro Arms. These parts are part of Airsoft Parts & Upgrades and play a crucial role in any reliable gearbox build.
Why upgrade to high-quality compression parts?
- Improved airtightness
- More consistent FPS
- Better volume ratio per barrel length
- Less energy loss within the gearbox
A correctly tuned cylinder in combination with a well-sealed cylinder head ensures optimal air pressure towards the nozzle. This has a direct impact on shot consistency and efficiency.
For maximum performance, the cylinder configuration must be correctly matched to your Airsoft Precision Inner Barrels and nozzle length within AEG Nozzles.
Cylinder Types and Volume Ratio
AEG cylinders are available in different types, depending on the port opening.
Type 0 (incomplete closure)
- Maximum air capacity
- Suitable for longer inner barrels
Type 1–3 (ported)
- Reduced air capacity
- Suitable for shorter barrels
- Optimises air distribution
Choosing the right cylinder prevents over- or under-compression and increases efficiency.
Cylinder Head: Sealing and Noise Reduction
The cylinder head provides a seal between the cylinder and nozzle.
Important features:
- Double O-ring for better sealing
- CNC aluminium construction
- Sorbo compatibility
- Reinforced nozzle seat
A well-sealed cylinder head minimises air loss and contributes to stable FPS output. In combination with correct adjustment within Hop Up Chambers & Parts, a balanced compression system is created.
Material & Construction
Cylinders are usually made of stainless steel or treated aluminium for minimal wear.
Cylinder heads are often CNC-milled aluminium with integrated O-rings for optimal sealing.
Frequently recurring features:
- Precision finish
- Wear-resistant coating
- Reinforced impact zone
- Precise fit
Correct assembly and lubrication are essential to minimise wear and optimise performance.
What can you find in this category?
- Type 0 and ported cylinders
- CNC cylinder heads
- O-ring compression upgrades
- Complete air seal solutions
Cylinders and cylinder heads are suitable for players who want to optimise their AEG for efficiency, consistency and durability.
Frequently asked questions
What does a cylinder do in an AEG?
The cylinder determines how much air is displaced per shot.
When should I choose a Type 0 cylinder?
For longer inner barrels where maximum air capacity is required.
Does a cylinder head with a double O-ring make a difference?
Yes, it improves airtightness and FPS consistency.
Should I upgrade the nozzle and cylinder together?
For optimal performance within AEG Nozzles and compression upgrades, this is highly recommended.
With a high-quality cylinder and cylinder head, you optimise air seal, efficiency and consistent performance within your AEG gearbox.

- Free shipping from €99 (NL and BE)
- Visit our shop in Capelle aan den IJssel
- Returns within 14 working days




















