Polarstar JACK V2 M4/M16 Airsoft Electro-Pneumatic Gearbox Upgrade Kit

PolarStar JACK Conversion Kit: Elevate Your Airsoft Experience with Precision Engineering

Upgrade your Tokyo Marui Spec AEG to an HPA-powered powerhouse with the PolarStar JACK Conversion Kit—a USA-designed system built for unmatched performance and adaptability. Crafted from CNC-machined aluminum and high-performance Delrin components, this kit delivers exceptional durability while maintaining lightweight efficiency. Whether you’re battling in freezing temperatures or damp conditions, its sealed design ensures consistent reliability without compromising power or accuracy.

Key Features:
– Customizable Fire Control: Switch between Semi Auto, 2-9 Round Burst, or Full Auto modes via the intuitive LCD Fire Control Unit (FCU). Adjust velocity (up to 500 FPS with .20g BBs) and cyclic rate (1-30+ RPS) to match your playstyle.
– Universal Compatibility: Works seamlessly with Version 2 Tokyo Marui gearboxes and most M4/M16 series rifles. Model-specific nozzles (included) simplify installation into compatible platforms like MP5s.
– Instant Response Trigger: Outperforms traditional AEG triggers with lightning-fast actuation—ideal for competitive scenarios demanding precision timing.

Why Choose JACK?
Engineered for HPA systems (40-130 PSI), this kit eliminates the need for batteries in the gearbox while offering smoother airflow and reduced wear on internals. The ergonomic FCU features a five-position joystick for effortless adjustments mid-game. Installation is streamlined—retain only essential gearbox components like triggers and selectors; no need to modify stocks secured to receivers.

Safety & Compliance:
Ensure safe operation by adhering to HPA guidelines: use nitrogen or HPA tanks only (never CO2/propane), avoid over-pressurization beyond 120 PSI, and follow proper tank handling protocols (hydro-testing, secure storage).

Whether you’re customizing a battle rifle or seeking a reliable upgrade path for your airsoft setup, the PolarStar JACK Conversion Kit combines cutting-edge tech with user-friendly design—making it a standout choice for serious enthusiasts追求高性能和可定制性的玩家。