ZCI 6.02mm Stainless Steel Inner Barrel 260mm – Precision Upgrade

The ZCI 6.02mm Stainless Steel Inner Barrel is a proven performance upgrade for discerning airsoft skirmishers and upgraders. Precision manufacturing and premium stainless construction deliver tighter tolerances, better air seal, and measurable improvements in accuracy and grouping at range.

Key Features

• Stainless steel construction – corrosion-resistant and durable
• 6.02mm tightbore profile – reduces air loss and improves consistency
• 260mm length – compatible with M4 carbines and mid-length platforms
• Marui-spec compatibility – direct fit for Marui-based AEGs
• Enhanced velocity potential – supports higher FPS builds with optimised air sealing

Real-World Use Cases

Whether you’re chasing tighter groupings on a DMR build or upgrading a stock AEG to CQB standard, this barrel works with popular platforms including Tokyo Marui M4A1, CM16, and equivalent clones. Equally at home in skirmish or milsim roles, it’s a cost-effective foundation for any AEG overhaul.

Technical Specifications

• Inner diameter: 6.02mm (tightbore)
• Length: 260mm
• Material: stainless steel
• Compatibility: Marui-compatible AEG gearboxes

Compatibility & Upgrades

This barrel pairs seamlessly with standard Marui V2 and V3 gearboxes. For best results, combine with a quality hop-up rubber, precision hop chamber, and compatible bucking – a complete upgrade package typically yields 20–30% accuracy improvement and tighter shot grouping at 20–30m range.

UK Legal & Site Notes

As a barrel component only, there are no restrictions on purchase or possession in the UK. Installation requires basic airsoft technical knowledge; seek professional fitting if unfamiliar with gearbox disassembly. Verify local site FPS limits before upgrading velocity.

Stock up on quality upgrades: add this barrel to your build today and experience the difference precision engineering makes.