Upgrade your airsoft AEG’s precision and velocity with the ZCI 509mm stainless steel 6.02mm inner barrel. This tight-bore upgrade is engineered for players who demand better consistency and grouping downrange.
Key Features
- Stainless steel construction – corrosion resistant and durable
- 6.02mm tight-bore – improves air-seal efficiency and accuracy
- 509mm length – compatible with standard AEG platforms
- Increased FPS and velocity – extra power for longer engagement distances
- Tighter shot grouping – precision engineering for consistent performance
Real-World Use Cases
This inner barrel suits skirmishers and target shooters looking to optimise their AEG’s accuracy without major gearbox modification. The tight bore is particularly effective in DMR-style builds and precision-focused loadouts.
Technical Specifications
- Calibre: 6.02mm
- Length: 509mm
- Material: Stainless steel
- Barrel type: Tight-bore inner barrel
Compatibility & Upgrades
The ZCI barrel is compatible with Marui-spec AEGs and similar platforms using standard inner barrel fitments. Installation requires disassembly of the hop-up unit and gearbox. Pair with a quality hop-up rubber and bucking for optimal performance.
UK Legal & Site Notes
Inner barrels are exempt from airsoft legal restrictions and suitable for all UK sites. Always check your local site’s upgrade rules before installation, as some venues have FPS caps that tight-bore barrels may affect.
Ready to upgrade your accuracy? Shop the ZCI 6.02mm inner barrel at Airsoftdirect and experience tighter grouping and improved consistency on the skirmish field.











