ZCI Stainless Steel 6.02mm Inner Barrel 487mm

The ZCI Stainless Steel 6.02mm Inner Barrel is a straightforward, high-value upgrade for any Marui-compatible airsoft AEG. Precision engineering in stainless steel means tighter tolerances, better air seal, and noticeably improved shot grouping downrange.

Key Features

• Precision 6.02mm tightbore – reduces BB wobble for tighter groupings
• Stainless steel construction – corrosion-resistant and durable
• 487mm length – compatible with standard Marui-pattern gearboxes
• Increased FPS capability – optimised air efficiency for higher velocity
• Drop-in upgrade – straightforward installation for intermediate techs

Real-World Use Cases

Whether you’re a milsim player chasing accuracy at distance, a skirmisher wanting consistent shot placement, or a collector upgrading a stock AEG, a quality inner barrel is one of the most cost-effective improvements you can make. The ZCI 6.02mm is ideal for players looking to tighten grouping without major gearbox work.

Technical Specifications

• Diameter: 6.02mm (precision tightbore)
• Length: 487mm
• Material: Stainless steel
• Compatibility: All Marui-compatible AEGs

Compatibility & Upgrades

This barrel suits any Marui-pattern gearbox setup. Pair it with a quality hop-up rubber and nub for maximum accuracy gains. Consider combining with an M120 or M130 spring if your site limit allows, to maximise the velocity potential of the improved air seal.

UK Legal & Site Notes

Always verify your site’s fps limit before upgrading your spring. A tightbore barrel often increases velocity due to improved efficiency – chronograph before your next game to ensure compliance.

Ready to tighten your grouping? Order the ZCI 6.02mm Inner Barrel today and see the difference precision engineering makes.