PolarStar F2 HPA Engine (VFC HK417)

PolarStar F2 HPA Engine (VFC HK417)

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£614.60 Inkl. MwSt

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    • Heute verschickt? Bestellung innerhalb: Jun 28, 2026 23:59:00 +0100
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    Beschreibung

    Bite Sized Fusion Engine for VFC HK417

    Winner of the "Best HPA Engine" in the 9th Airsoft Players Choice Awards, the dual solenoid design of the F2™ provides the same functionality as the legendary Fusion Engine™ but in a more compact, efficient and flexible design. Dual solenoids allow for the nozzle and the poppet valve to be adjusted independently of each other 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 as well as "AEG" mode. (PolarStar Filter Fitting now included)

    The F2™ incorporates a new one-piece, lightweight poppet valve design yet still operates on the same principle as the Fusion Engine™ poppet. This valve is able to operate at lower pressures and uses less air volume to function which optimizes air efficiency.

    A robust design allows for an operating pressure range of 45psi to 145psi which enables the F2™ to achieve velocities from CQB to DMR while employing only one nozzle for the entire velocity adjustment range.

    Additionally, its nozzle is spring biased forward which provides a consistent loading force regardless of operating pressure. It shares the same spring as the Fusion Engine™ with both light and heavy spring options available to adjust the loading force.

    Gel Ball Compatible

    F2 HPA conversion kits can also be configured for use in gel ball systems.

    Velocity: 480fps w/ .20g @ 145psi
    The F2™ allows for easy 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. 
    ROF: 30rps
    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.
    Air Efficiency: 1000+ shots from 13/3000 @ 1.5J  w/ .28g
    The standard F2™ poppet valve is equivalent to the Red Low-Flow poppet of the Fusion Engine™. However, this valve responds faster and requires less air volume to operate so the F2™ is able to achieve greater air efficiency than even a finely tuned Fusion Engine™.
    (Test Configuration: Red Poppet / 6.05x375mm Barrel)

     

    All kits come with a Filter Fitting installed, FCU, Switchboard, Wire Harness and any additional components needed to convert the specific airsoft rifle model for which the kit is configured. The HPA Tank, Air Rig (regulator and line) and Battery needed to operate the system are purchased separately.

     

    Pro und Kontra

    • Sustainably produced
    • Ideal for everyday use
    • May discolor in direct sunlight

    Returns & Delivery

    When will my order be delivered?

    We ship worldwide. Your order will be packaged really carefully and delivered wherever you want. Delivery takes between 2-4 business days. You will receive an e-mail after ordering with more information about the delivery.

    Can I return my product?

    Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.

    What can I do if my item (or part of it) is damaged?

    We work hard to deliver your items without damage. Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.

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