Polarstar Airsoft HPA Jack Conversion Kit For M4/M16, Black

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Take your M4/M16 airsoft rifle to the next level with the Polarstar Airsoft HPA Jack Conversion Kit. This conversion kit allows you to upgrade your AEG (Automatic Electric Gun) to a high-performance HPA (High-Pressure Air) system, providing superior performance, consistency, and adjustability on the field. Transform your AEG into a powerhouse with this easy-to-install conversion kit.

The Polarstar HPA Jack Conversion Kit features a durable construction with an aluminum alloy body that ensures long-lasting performance and reliability. Its compact size, measuring at 4 inches in length, allows for easy installation in the M4/M16 platform. The black color adds a sleek and tactical look to your airsoft rifle.

Designed specifically for M4/M16 models, this conversion kit includes the necessary components to convert your AEG to an HPA system. The nozzle type is compatible with M4/M16 airsoft rifles, ensuring a proper fit and optimal performance. With HPA propellant, you'll experience consistent and adjustable power output, giving you an edge on the battlefield.

Upgrade your airsoft gameplay with the Polarstar Airsoft HPA Jack Conversion Kit. Join the ranks of elite players who rely on HPA technology for enhanced performance and precision. Whether you're a seasoned player or a beginner looking to take your skills to the next level, this conversion kit is a must-have addition to your M4/M16 airsoft rifle. Get yours at Airsoft Station.


  • Affordable and efficient HPA conversion kit for AEGs by Polarstar
  • Easy switch-out nozzle for compatibility with a wide range of gearboxes
  • Reliable and easy-to-maintain design with a single moving part
  • Adjustable muzzle velocity from 250 to 500 FPS
  • Maximum velocity potential depends on barrel length and bore tightness
  • Includes on-board FCU (Fire Control Unit) for customizable settings
  • Adjust cyclic rate, fire modes, and poppet dwell
  • Improves hop-up performance by stabilizing the BB before firing
  • Compatible with a wide range of stock and aftermarket hop-up options
  • Replaces original gearbox parts with a programmable pneumatic system for enhanced reliability
Power Source:
Aluminum Alloy
30 Day Return & Warranty

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