Laylax Prometheus EG Barrel 6.03mm 285mm – CQB-R/MC51

The Laylax Prometheus EG Barrel is a premium internal upgrade component designed specifically for the CQB-R and MC51 airsoft platforms. At 285mm in length with a tight 6.03mm bore, this barrel bridges the gap between compact handling and accuracy – ideal for CQB-focused players who demand reliable performance in close-quarters engagements.

Key Features

• 6.03mm precision bore – tighter tolerances for improved shot grouping and consistency
• 285mm length – optimised for CQB-R and MC51 short-stroke platforms without unnecessary overhang
• Laylax Prometheus engineering – trusted Japanese precision manufacturing with proven track record
• Drop-in compatibility – fits CQB-R and MC51 receivers with standard gearbox configurations
• Enhanced air-to-BBs transfer – optimised internal geometry improves velocity stability and hop-up response

Real-World Use Cases

Whether you’re running a reinforced indoor site, a fast-paced CQB milsim, or a compact urban skirmish setup, this barrel delivers the accuracy boost that separates consistent hits from spray-and-pray. Upgrading from a stock barrel can noticeably tighten groupings at 15–30 metres, a critical advantage in tight spaces where shot placement matters.

Technical Specifications

• Brand: Laylax Prometheus
• Barrel bore: 6.03mm
• Barrel length: 285mm
• Compatibility: CQB-R, MC51
• Material: High-precision steel/composite
• Installation: Gearbox disassembly required

UK Legal & Site Notes

This is an internal airsoft component and carries no legal restrictions in the UK. Installation requires basic mechanical knowledge and a full gearbox strip-down. Always chrono your finished build at your local site – upgrading the barrel may affect FPS and hop-up behaviour, and your skirmish site will require confirmation of compliance before play.

Shop with confidence: Laylax Prometheus barrels are stocked and backed by UK airsoft retailers. Need help selecting the right upgrade path? Contact our team.