ZCI 407mm Stainless Steel 6.02mm Inner Barrel

The ZCI 407mm stainless steel inner barrel (6.02mm calibre) is a cost-effective upgrade component for players seeking improved accuracy and velocity from their AEG rifles. Precision-engineered from quality stainless steel, this tight-bore barrel tightens shot grouping and enhances range performance.

Key Features

• Stainless steel construction – corrosion-resistant and durable
• Precision 6.02mm tight bore – tighter shot grouping and improved accuracy
• 407mm length – suits mid-length AEG platforms
• FPS boost – higher velocity for increased range
• Marui AEG compatible – drop-in upgrade for most compatible models

Real-World Use Cases

This barrel excels in skirmish environments where accuracy counts. Whether you’re upgrading a stock rifle or refining a tuned build, the tight bore delivers noticeably tighter grouping at 20–30 metres. Target shooters and milsim players appreciate the consistency gain without overhauling the entire gearbox.

Technical Specifications

• Calibre: 6.02mm
• Length: 407mm
• Material: Stainless steel
• Bore type: Tight bore
• Compatibility: Marui-compatible AEG platforms

Compatibility & Upgrades

Designed for Marui-compatible AEGs, this barrel suits a wide range of mid-length platforms. Pair with a quality hop-up unit and premium BB ammunition (0.25g or heavier) to realise the full accuracy potential. Installation requires basic gearbox knowledge or technician support.

UK Legal & Site Notes

As a component part, this barrel carries no legal restrictions in the UK. Check your local skirmish site’s rules on FPS limits; velocity increases from a tight bore may require adjustment to your power source or spring to stay within field limits (typically 350 FPS on 0.20g).

Upgrade your AEG’s accuracy and consistency with the ZCI 407mm stainless steel inner barrel. Order now from Airsoftdirect UK.