Backdraft Phoenix M4 HPA Engine with FCU Long Form (Orange)
[73425 / BD-PHX-M4-V2]
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Backdraft Phoenix M4 HPA Engine with FCU Long Form (Orange)
Elite HPA Performance Without the Premium Price
The Backdraft Phoenix M4 HPA Engine with FCU Long Form (Orange) is a game-changing drop-in system designed for airsoft players who want maximum performance, reliability, and customization—all at an affordable price. Capable of delivering over 40 rounds per second and operating across a PSI range of 40 to 130, this engine provides the firepower and tunability needed for CQB or full-field domination. Whether you're a weekend warrior or competitive shooter, the Phoenix system delivers top-tier speed and consistency in a lightweight, low-maintenance platform.
Fully-Integrated Kit for M4 Gearbox Conversions
Engineered to fit standard M4-style airsoft gearboxes, the Backdraft Phoenix comes fully equipped for a seamless HPA upgrade. This package includes a modular Fire Control Unit (FCU), a precision M4 trigger board, and your choice of grip- or stock-length wire harness for flexible installation options. An inner grip airline with a durable brass quick-disconnect fitting makes setup and maintenance fast and user-friendly, giving techs and builders everything needed to hit the ground running.
Reliable, Tunable, and Built to Perform
The integrated adjustable solenoid allows you to fine-tune the engine’s performance for your preferred rate of fire or field restrictions. On-the-fly fire mode adjustments let you switch between semi, burst, or full-auto without tools or downtime. Designed for minimal upkeep and maximum durability, the Phoenix thrives in intense skirmishes and demanding conditions. With a bold orange finish and pro-tier internals, it’s the smart choice for players looking to step into the HPA world without compromise.
Specifications
- Brand: Backdraft Phoenix
- Compatibility: TM V2 gearboxes
- Rate of Fire: 40+ rounds per second
- PSI Range: 40 to 130 PSI
- Fire Mode Adjustment: On-the-fly
- Solenoid: Adjustable (new version included)
- FCU: Modular Fire Control Unit
- Trigger Board: M4 trigger board included
- Wire Harness: Grip or stock length options
- Air Line: Inner grip line with brass quick disconnect
- Application: Airsoft HPA builds seeking performance and value
Features
- Complete HPA engine system for M4-style gearboxes
- Delivers over 40 rounds per second for extreme firepower
- Operates within a flexible PSI range of 40 to 130 for tuning precision
- Integrated adjustable solenoid for fine-tuned performance
- Supports on-the-fly fire mode adjustment without tools
- Built for high performance with minimal maintenance
- Engineered for high reliability in demanding conditions
- Modular FCU (Fire Control Unit) included for advanced programming
- Includes M4 trigger board for drop-in compatibility with standard M4 gearboxes
- Comes with a wire harness available in grip or stock length
- Includes inner grip air line with durable brass quick disconnect fitting
- Excellent value HPA system with full-feature capabilities at a competitive price
- Specifications
- Manufacturer: Backdraft Innovations








