ZCI 6.02mm Stainless Steel Inner Barrel 469mm

The ZCI 6.02mm stainless steel inner barrel is a precision upgrade barrel engineered to maximise consistency and accuracy across your airsoft rifle. Crafted from high-quality stainless steel, this tightbore barrel reduces air leakage and improves projectile stabilisation, resulting in noticeably tighter grouping and superior shot placement downrange.

Key Features

• Stainless steel construction – corrosion-resistant and durable for long-term reliability
• 6.02mm precision tightbore – improves air seal and reduces accuracy variance
• 469mm length – suitable for standard to mid-length AEG platforms
• Enhanced FPS performance – optimised bore dimensions support higher velocity
• Marui-compatible – works with all Tokyo Marui-pattern AEGs and compatible gearboxes

Real-World Use Cases

Whether you’re a dedicated skirmisher chasing consistent accuracy or a milsim player optimising your loadout, a quality inner barrel is one of the highest-impact upgrades available. The ZCI 6.02mm delivers the precision needed for longer-range engagement and competitive grouping at all distances. It’s equally valuable for target shooters refining their gun’s performance on the range.

Technical Specifications

• Bore diameter: 6.02mm
• Material: Stainless steel
• Length: 469mm
• Compatibility: Marui-pattern AEG, Tokyo Marui standard gearboxes

Compatibility & Upgrades

This barrel works with all standard Marui-compatible AEGs and gearbox designs. For best results, pair it with a quality hop-up unit and matching bucking to take full advantage of the tightbore’s precision. Installation is straightforward but requires basic airsoft gun knowledge; if you’re unfamiliar with gearbox work, we recommend seeking help from an experienced technician.

UK Legal & Site Notes

Inner barrels have no impact on UK airsoft legal velocity limits. Always check your local skirmish site’s chrono limits before fielding your upgraded gun.

Unlock tighter grouping and enhanced accuracy with the ZCI 6.02mm inner barrel. Browse our full range of airsoft upgrade parts at Airsoftdirect UK today.