Answer
Nov 20, 2025 - 09:30 AM
When considering an HPA Fire Control Unit (FCU), compatibility is crucial because it ensures the unit will function seamlessly with your specific HPA engine, such as the PolarStar JACK, F1, F2, Fusion Engine, or Wolverine systems like Inferno, Hydra, Reaper, and SMP. The best compatibility is one that directly matches your engine model, minimizing installation issues and maximizing performance. Most FCUs are designed for specific product lines, but some offer future-proofing or broader compatibility. For example, the PolarStar FCU | Fire Control Unit | Revision 3 is compatible with multiple PolarStar engines and is expected to support future units, while the Wolverine Airsoft FCU GEN 2 is purpose-built for Wolverine’s Inferno, Hydra, Reaper, and SMP. Having several options available ensures you can find the right FCU that matches your system for optimal performance.
