The Airsoft Headquarters guy explains why his airsoft MK18 rifle equipped with a PolarStar Airsoft Kythera HPA engine is his favourite. PolarStar’s Kythera is a revolutionary HPA system that works entirely without electricity. User don’t need a battery, FCU, or any electronic components to use it. It’s simple to set up and use, resistant to water damage, and has a realistic trigger feel for different firing modes.

Airsoftjunkiez prides itself in building HPA airsoft guns for speedsofters. In this video they posted in June, they feature their Expert Speedsoft builds for those who need more speed in an adrenalin-packed competitive airsoft discipline... "New Airsoftjunkiez Expert Polarstar F2 Speed Soft build with AirTac Gen 3 upper and Monk Aluminum ESG grip."

A battle of HPA engines. Woodland Raiders for a comparison of the PolarStar Airsoft Jack and the Mancraft PDiK... "Comparison of the operation of the newly purchased HP replica with the Polar Star Jack engine and the Mancraft Pdik gen3 air motor.

In the video you can see that the engine operating on the principle of a solenoid valve gives better repeatability when shooting than the Mancraft pneumatic device.

Demo by Airsoftjunkiez of their PolarStar JACK MAC10 Drop-In Kit. This kit will include the Special Polarstar JACK engine designed for the kit, with JACK FCU; Custom 3D printed RESIN Chassis for the JACK engine with full auto micro-switch; and mini connection circuit board. Also included are a trigger wire harness and custom length JACK FCU wire harness.

An interesting a video from Black-ARC Airsoft Team in putting together an HPA-powerd airsoft rifle. Using the PolarStar Gen 3 Fusion Engine as the HPA enghiner, this uses parts from G&P, PTS Syndicate, Angry Gun, ProWin, Lonex, Magpul, and Surefire. Find out what the finished product is in the video below.

Black-Arc Airsoft Team is a team of architects based in Southern California.