PolarStar "Kythera" HPA Engine for Airsoft Rifles

Features

• Designed from the ground up as a high performance mechanical HPA system, not a modification of a solenoid operated design
• Patent pending valve mechanism provides excellent efficiency and consistent velocity combined with a realistic trigger pull and reset
• Completes a full shot cycle on the trigger pull alone which translates into consistent nozzle movement and rapid follow up shots
• Adjustable trigger. Adjustments include: Weight, length of pull and over travel
• Adjustable nozzle dwell/return speed
• Wide operating pressure range of 60 to 180psi