and enhanced sector gear for better BB feeding

Overall Length: 17

when using the optics indoors

Adjustable Hop-Up

Full metal keymod and standard rail system from Knights

PolarStar Kythera Semi Auto HPA Engine for V2 Gearbox AEG Rail System and enhanced sector gear forPolarstar Kythera (Semi Auto) V2 gearbox Designed from the ground up as a high performance mechanical HPA system, not a modification of a solenoid operated system 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, leading to consistent nozzle movements and rapid follow up shots Weight, length of pull, and over