Polarstar JACK HPA Version 3 Conversion Kit w- REV3 FCU spring rifle RETICLE: RED DOT

RETICLE: RED DOT

peer through the included 4x32 scope

fast cycle

or 25 rounds per second

Bullet drop compensator calibrated for the

Polarstar JACK HPA Version 3 Conversion Kit w- REV3 FCU spring rifle RETICLE: RED DOTDescription: Polarstar JACK HPA Version 3 Conversion Kit The JACK system was designed to answer the demand for an affordable, high performance HPA (High Pressure Air) conversion for AEG's. The system is a drop in cylinder replacement that is universally compatible with a wide range of gearbox versions that have center line nozzles. Similar to its sister product, the F1, it replaces the original gearbox components with a programmable pneumatic system