ZCI Aluminium Cylinder Head with O-Ring – V2/V3

The ZCI Aluminium Cylinder Head with O-Ring is a precision-engineered upgrade component designed for V2 and V3 AEG gearboxes. Built from high-grade aluminium and finished using CNC machining, this cylinder head delivers the consistency and reliability that competitive players and milsim enthusiasts demand.

Key Features

• CNC-machined aluminium construction – superior precision and durability
• Integrated O-ring seal – optimises air retention and consistency
• V2 and V3 gearbox compatibility – fits most standard AEG platforms
• Drop-in installation – straightforward replacement for stock units
• Enhanced air seal – reduces air leakage for improved performance

Real-World Use Cases

Whether you’re a skirmisher fine-tuning your primary AEG, a milsim competitor optimising consistency, or a technician maintaining a rental fleet, a quality cylinder head is crucial. The ZCI component replaces worn or stock heads that may leak air under compression, degrading accuracy and range. It’s particularly valuable when paired with a tuned nozzle and hopup unit.

Technical Specifications

• Material: Aluminium alloy
• Sealing: O-ring integrated
• Gearbox Compatibility: V2, V3
• Manufacturing: CNC-machined
• SKU: M-52a

Compatibility & Upgrades

This cylinder head suits most V2 and V3 gearboxes found in M4, M16, AK, and similar platform AEGs. For best results, pair it with a quality cylinder (8mm or 9mm bore), a matched nozzle, and an M-nozzle or compatibility check on your hopup unit. Always verify fitment with your specific gearbox variant before ordering.

UK Legal & Site Notes

As an internal component, the cylinder head carries no legal restrictions in the UK. It does not alter muzzle energy or firing mode. Always inform your site that you’re running upgraded internals; some venues have specific policies on tuned AEGs.

Upgrade your gearbox’s air seal and consistency with the ZCI Aluminium Cylinder Head. Order yours from Airsoftdirect UK today.