PolarStar F2 V2 HPA Conversion Kit For M4[40342 / PS F2 M4 / PS-F2V2-M4]
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The F2 provides the same functionality as the Fusion Engine, but in a compact, efficient, and flexible design. The dual solenoid design allows the independent adjustment of the nozzle and the poppet valve for unparalleled control over both the loading time and air volume used. Additionally, this makes it possible to change the firing sequence, giving it the ability to operate in both true closed bolt and "AEG" mode.
The F2 incorporates a new one-piece, lightweight poppet valve design, yet it still operates on the same principle as the Fusion Engine poppet. The valve is able to operate at lower pressures and uses less air volume to function to optimize air efficiency.
A robust design gives the operating pressure a range of 45psi to 145psi to enable the F2 to achieve velocities from CQB to DMR while utilizing only one nozzle for the entire velocity adjustment range.
Additionally, the nozzle is spring biased forward to provide a consistent loading force, regardless of operating pressure. This shares the same spring as the Fusion Engine with both light and heavy spring options available to adjust the loading force.
The F2 allows for simple velocity adjustment just by changing input pressure, and does not require different nozzles to reach its full velocity range. Using a standard M4 as an example, velocity can be adjusted from below 280fps and up to approximately 480fps with a .20g BB. Velocity can vary per model as longer barrels will increase the maximum velocity while shorter barrels will decrease it.
The maximum cyclic rate of the F2 is affected by several factors, such as the operating pressure as well as quality of the magazine and BB's used. However, 30 rounds per second is achievable in most standard configurations.
The standard F2 poppet valve is equivalent to the Red Low-Flow poppet of the Fusion Engine. However, this F2 valve responds faster and requires less air volume to operate. Therefore, the F2 is able to achieve greater air efficiency than even a finely tuned Fusion Engine.
Model: F2 V2 HPA Conversion Kit For M4
Package Includes: Conversion Kit
Warranty Length: 1 Year
Warranty Handler: PolarStar (Warranty Policy)
- Light Weight
- Dual Solenoid Design
- F2 FCU w/ LCD
- Lightweight One-Piece Poppet Valve
- Low & High FPS Adjustment
- Manufacturer: PolarStar