EPES V2/V3 Cylinder Head MKII – 90° Sorbo Pad

The EPES V2/V3 Cylinder Head MKII is a precision-engineered gearbox component designed to maximise air compression and improve overall AEG performance. Whether you’re optimising a skirmish rifle or fine-tuning a milsim build, this upgrade delivers measurable gains in efficiency and consistency.

Key Features

• 7075 T6 Aluminium construction – lightweight yet rigid for optimal gearbox alignment
• HET Teflon coating – reduces friction and enhances durability against wear
• 90° Shore hardness Sorbo pad – provides superior air seal and compression efficiency
• Double O-ring design – minimises air loss during the compression cycle
• Adjustable grub screws – allows fine-tuning of play and gearbox tightness for consistent performance

Real-World Use Cases

This cylinder head is ideal for builders and upgraders seeking to improve trigger response, consistency, and muzzle energy without replacing the entire gearbox. Commonly fitted to M4 platforms, MP5 variants, and other V2/V3 gearbox systems, it’s a cost-effective way to tighten tolerances and reduce air leakage during the compression stroke.

Technical Specifications

• Material: 7075 T6 Aluminium with HET Teflon coating
• Sorbo pad hardness: 90° Shore
• Sealing system: Double O-ring
• Adjustment: Grub screws (both sides)
• Compatibility: V2/V3 gearboxes (standard cylinder bore)

Compatibility & Upgrades

The EPES MKII cylinder head fits all standard V2 and V3 gearbox platforms, including most M4 AEGs, MP5 variants, and compatible AK builds. Pair with a quality cylinder for best results, and consider upgrading your hop-up chamber and nozzle for a complete compression tuning package.

UK Legal & Site Notes

This is an internal upgrade component with no impact on UK legal limits. It’s suitable for all UK airsoft sites and skirmish venues. Always verify site chronograph settings after installation, as improved compression may increase FPS slightly depending on your current setup.

Upgrade your gearbox efficiency with the EPES V2/V3 Cylinder Head MKII and enjoy smoother, more consistent performance on the field.