PolarStar F2 Conversion Kit - M249

Price: $441.99 – $442.00 — In stock at 1 retailer.

Prices last checked July 30, 2026 across 2 retailers.

What's Included? PolarStar F2 Conversion Kit - M249 Features Extremely lightweight and compact design Dual solenoid design allows for open and closed bolt firing F2 FCU with LCD allows for easy tuning Spring loaded nozzle provides consistent loading force Lightweight one piece poppet valve can operate at lower pressures Easily adjustable FPS can be used for both CQB and field use without having to change nozzles Technical Specifications: Model Number: 10000574 Velocity Range: 250fps - 500fps Operating Presure: 45-145 PSI Air Efficiency: 1000+ shots from 13/3000 @ 1.5J w/ .28g Rate Of Fire: 30 rps Material: Aluminum Q A Q: What is the PolarStar F2 system? A: The F2 is essentially a miniature version of the Fusion Engine, providing the same high level of adjustability and performance in a smaller, cylinder-sized package. It’s optimized for lightweight builds and is capable of delivering excellent performance while maximizing air efficiency. Q: How does the dual solenoid design of the PolarStar F2 benefit users? A: The dual solenoid design allows the nozzle and the poppet valve to be adjusted independently, offering unparalleled control over both the loading time and air volume used. This flexibility enables it to function in both true closed-bolt and "AEG" mode, making it versatile for different shooting styles. Q: How does the PolarStar F2 improve air efficiency? A: The F2 uses a lightweight, one-piece poppet valve that operates at lower pressures and consumes less air, optimizing overall air efficiency and delivering more shots per tank. Q: What is the benefit of the spring-loaded nozzle in the PolarStar F2? A: The spring-loaded nozzle ensures consistent loading force regardless of operating pressure, improving reliability and shot consistency. The spring mechanism can be adjusted with light and heavy spring options, allowing users to tailor the loading force to their needs. Q: Can the FPS be adjusted on the PolarStar F2 for both CQB and field use? A: Yes, the Polar

PolarStar F2 Conversion Kit - M249 price comparison: the lowest price is $441.99 at Xtreme Airsoft, the highest is $442.00, and the median across 2 tracked listings is $442.00.

Compatible with: M249, HPA, AEG

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