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      • 7.4v LIPOs
      • 11.1v LIPOs
      • Other
    • Battery Chargers
    • BB's
      • Biodegradable
      • Non-Biodegradable
      • Tracers
    • BB Speed Loaders
    • CO2 & Green Gas
    • Gas Accessories & Adapters
    • Grenades & Launchers
      • 40MM Grenade Shells
      • Grenade Accessories
      • Grenade Launchers
      • Hand Grenades
      • Smoke Grenades
  • Airsoft Parts
    • AEG Inner Barrels, Hop-Up Units, etc.
      • AEG Buckings & Nubs
      • AEG Hop-Ups
      • AEG Inner Barrels
    • High Pressure Air
      • HPA Engines
      • HPA Parts
      • HPA Regulators & Lines
      • HPA Tanks
      • HPA By Brands
    • Internal AEG Parts
      • Air Nozzles
      • Cylinders & Heads
      • Gearboxes
      • Gears, Bushings & Shims
      • MOSFETs
      • Motors
      • Pistons
      • Piston Heads
      • Selector Plates
      • Springs
      • Tappets
      • Triggers
      • Wiring & Trigger Contacts
    • Gas Gun Parts
      • Gas Pistol Parts
      • Gas Rifle Parts
    • Pistol Grips
    • Rails & Conversion Kits
      • Conversion Kits
      • Rails
    • Receiver Parts
    • Sling Adapters & Plates
    • Spring Gun Internals
    • Stocks
    • Tech Services & Tools
  • Airsoft Accesories
    • Barrel Attachments
      • Barrel Adapters
      • Flash Hiders
      • Outer Barrels
      • Suppressors
      • Tracer Units
    • Bipods
    • Foregrips
    • Lights & Lasers
      • Accessories
      • Lasers
      • Lights
      • Light & Laser Combos
      • Mounts
    • Optics & SIghts
      • Magnified Optics
      • Non-Magnified Optics
      • Optic Accessories & Protection
      • Iron Sights
    • PEQ Boxes
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    • Footwear
      • Altama
      • Boot Accessories
      • Smith & Wesson
      • Socks
      • Surplus
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      • Tactical Gloves
      • Winter Gloves
    • Headgear
      • Balaclavas & Face Wraps
      • Boonie Hats
      • Ball Caps
      • Toques
      • Shemaghs
    • Jackets & Coats
    • Morale Patches
      • Flags
      • Morale Patches
    • Pants
      • Shadow Elite
      • Surplus Pants
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      • Shadow Strategic Combat Coats
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      • Radios
    • Elbow & Knee Pads
      • Elbow Pads
      • Knee Pads
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      • Eyewear Accessories
      • Eye Protection
      • Full Face Masks
      • Lower Face Protection
    • Helmets
    • Holsters, Belts & Leg Rigs
      • Battle Belts
      • Holsters
      • Leg Rigs
      • Tactical Belts
    • Hydration
    • K9 Gear
    • Modular Pouches
      • Admin Pouches
      • Dump Pouches
      • Magazine Pouches
      • Medical Pouches
      • Other Pouches
      • Utility Pouches
    • Outdoors
      • Knives/Axes/Tools
      • MRE Food Packs
      • Rope & Cord
      • Sleep Gear
    • Plate Carriers, Chest Rigs & Vests
      • Chest Rigs
      • Modular Vests
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  • HPA Engines

11 products

HPA Engines

  • hpa
  • HPA Engines
  • Kythera
Sold out
Polarstar - EMG Blue & Silver Edition JACK Electro-Pneumatic Gearbox Conversion Kit - V2 M4
Polarstar - EMG Blue & Silver Edition JACK Electro-Pneumatic Gearbox Conversion Kit - V2 M4 $514.99
Sold out
PolarStar KYTHERA HPA Engine for Version 2 M4 Airsoft Rifles
PolarStar KYTHERA HPA Engine for Version 2 M4 Airsoft Rifles $384.99
NEW
Raven Evolution Nexxus HPA Engine
Raven Evolution Nexxus HPA Engine $599.99
Sold out
Redline Airsoft N7 Electro-Pneumatic HPA Conversion Kit - Niagara Quartermaster
Redline Airsoft N7 Electro-Pneumatic HPA Conversion Kit $489.99
Sold out
Wolverine BOLT M for ARES Striker
Wolverine BOLT M for ARES Striker $294.99
Wolverine BOLT - Niagara Quartermaster
Wolverine BOLT Sniper Conversion Kit From $399.99
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Wolverine Bolt Ultimate Sniper Packages (Bolt w/ Cylinder, Storm High Pressure Regulator, Wraith CO2 Adapter) - Niagara Quartermaster
Wolverine Bolt Ultimate Sniper Packages (Bolt w/ Cylinder, Storm High Pressure Regulator, Wraith CO2 Adapter) $734.99
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Wolverine Hydra HPA Engine Gen.2 - Niagara Quartermaster
Wolverine Hydra HPA Engine Gen.2 $599.99
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Wolverine Inferno HPA Engine Gen.2 - Niagara Quartermaster
Wolverine Inferno HPA Engine Gen. 2 From $454.99
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Wolverine Reaper HPA Engine - Niagara Quartermaster
Wolverine Reaper HPA Engines Gen.2 V2 From $324.99
Sold out
Wolverine WRAITH X for AEG
Wolverine WRAITH X for AEG $399.99

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