Socom Tactical Airsoft
PolarStar F2 HPA Engine (V3 - AK)
PolarStar F2 HPA Engine (V3 - AK)
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PolarStar F2 HPA Engine (V3 - AK)
PolarStar F2 HPA Engine (V3 - AK) is a compact, high-performance air drive system designed for serious airsoft builds. It delivers precise control, efficiency, and versatility for players seeking reliable power from compact CQB setups to longer-range DMR configurations.
- Dual Solenoid Design: Independent control of the nozzle and poppet valve for precise timing and air usage, enabling both true closed bolt operation and AEG-style firing sequences.
- Independent Adjustment: Separate tuning of loading time and air volume means you can optimize performance for your rifle, trigger pull, and field rules.
- Wide Operating Pressure Range: 45 psi to 145 psi supports a broad velocity spectrum, from CQB to DMR, using a single nozzle configuration.
- Single Nozzle, Broad Velocity Range: Achieves the full velocity range with one nozzle; velocity scales with input pressure and barrel length, reaching up to 480 fps with a.20g BB at 145 psi.
- Spring-Biased Nozzle: A forward-loading force remains consistent across pressure changes, improving reliability and shot consistency regardless of operating pressure.
- Lightweight One-Piece Poppet Valve: Modern design that operates at lower pressures with less air volume, boosting overall air efficiency compared to older configurations.
- Gel Ball Compatibility: Gel Ball F2 HPA conversion kits are available, allowing seamless integration with gel-based systems.
- Exceptional Air Efficiency: Demonstrated 1000+ shots from a 13/3000 setup at 1.5J with a 0.28 g BB, thanks to reduced air volume and faster valve response.
- Included Components & Setup: Each kit ships with a Filter Fitting installed, FCU, Switchboard, and Wire Harness to fit your specific rifle model; the HPA Tank, Air Rig, and Battery are purchased separately.
Designed to pair with standard M4 platforms and built on the proven Fusion Engine principle, the F2 offers faster response and lower air consumption while maintaining robust durability. It supports a broad velocity window without swapping nozzles, simplifies tuning by adjusting input pressure, and delivers dependable performance across a wide range of setups. This makes it a strong choice for players who value consistency, efficiency, and adaptability in field conditions.
| 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) |
