All NEPTUNE & SENTINEL Models

Now Available with HPA

MechLabs XX-Mod HPA Engine for GB V2

• Next-generation mechanical HPA engine based on real community feedback
• Modular and expandable design for tuning, conversions, and maintenance
• CNC-milled Aluminium Series 6: lightweight and structurally strong
• Drop-in kit replacing standard AEG gearbox in minutes
• Modular block construction with precision lock-fit alignment
• 3-axis XYZ alignment system for universal receiver compatibility
• Fully mechanical, zero electronics
• 100% waterproof, functional even when submerged

Air Bender System:

• Adjusts internal air-cycle rate and ROF
• Improves air efficiency per shot and extends playtime
• Requires small, incremental adjustments for optimal performance

XX-Mold Bolt:

• Designed for XX-Mod, cross-compatible with NEXXUS and ARC
• Reduced air consumption for higher efficiency
• Optimized burst management for stable rapid fire
• Adjustable nozzle system for perfect hop-up fit and air-cycle tuning
• Minimized shot-down effect between semi and full-auto

Key Features:

• Magnetic return trigger with adjustable travel and sensitivity
• Optimized air efficiency and stabilized output
• Flo MAX TS compatibility for dual-air supply setups
• Available in 9 anodized color options