Price: starts at $170

Please specify nozzle type at checkout.

Please note: We now offer the Upgrade Kit in a Standard option, with the Standard Grip Line, or a Plus option, with our FGL.

Convert your GEN 1 HYDRA, Inferno, or SMP to the HYDRA GEN 2! Depending on what you have and what gun you want to HYDRAte, you may need extra items (i.e. wire harness, UWK, trigger board etc...).

Upgrade kits include the new GEN2 Cylinder and Air line, and can be ordered with an included Filtered Grip Line

Installation of the upgrade kit is extremely simple. Just unscrew the solenoid from the back of the existing GEN1 HYDRA, Inferno, or SMP and screw it into the back of the GEN2 Upgrade kit. Install the airline, and you are ready to go!


The GEN2 Inferno set a new landmark for the performance of drop in HPA systems in terms of shot consistency, ease of use, efficiency, and easy tuning. Building on that success the GEN2 HYDRA implements the same independent nozzle and poppet design to dramatically improve performance with offset nozzle guns, just like the GEN2 Inferno did for centerline guns. 

Whether it's a P90, PDR, M14, F2000, or many others you've been looking for, the GEN2 HYDRA has  you covered!


  • ONLY HYBRID open/closed bolt system for offset nozzles
  • Precision Air Metering
            Controls nozzle movement for precise BB placement in hop up
  • Front Bushing Plate
            Improved nozzle stability
  • Compatible with most Offset nozzle gearboxes


  • Pressure: 60-140 PSI adjustable (Use with STORM Regulator for best performance!)
  • ROF: 5-35RPS (Please not some guns and configurations will not be able to achieve the full ROF potential due to limitations in the feeding mechanism.)
  • Dwell: Fully adjustable
  • Electronics: Compatible with all Wolverine Airsoft electronics
  • Battery Input: 6-9V

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Hydra GEN 2 Upgrade Kit

  • Product Code: HYD-CA-011-UK
  • Availability: In Stock
  • $195.00

Available Options

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Tags: Hydra GEN 2, FGL, Storm OnTank