PolarStar Limited Edition JackAL Jack- V2 Dupont Zytel polymer construction and

Dupont Zytel polymer construction and hardened steel hardware ensures its survivabilityunder adverse use conditions

Made for Glock

Like its predecessor

Durable 7075 aluminum construction

Whether you're hitting the skate park

PolarStar Limited Edition JackAL Jack- V2 Dupont Zytel polymer construction andThe JACK 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. The JACK replaces the original gearbox components with a programmable pneumatic system allowing for higher performance and greater reliability over a gear driven system. Although