Polarstar JACK Electro-pneumatic Gearbox Conversion Kit M4

Polarstar JACK Electro-pneumatic Gearbox Conversion Kit M4Designed, manufactured and built in the U. S. A. Assembled from CNC machined aluminum components with high performance delrin nozzle Universal cylinder design is compatible with numerous gearbox versions Optimized flow profile, firing point and flow path promotes superior shot consistency and accuracy. Independently adjustable velocity and cyclic rate Capable of functioning in damp and sub freezing climates without affecting performance or reliability

- Fabric cheek padding for easier cheek-weld to your gun

A healthy battery starts with a quality charger

- Red/Green illuminated reticle

- Plug and play burst-fire FCU

This is made possible by is compact and intelligently laid out design which minimizes dead volume resulting in better air flow

- Adjustable brightness

Gas Type: Green gas

- Empty magazine cutoff

Magazine: 23 round Co2 magazine included (Compatible with SIGAir M17/M18 Co2/Green Gas mags)

low profile mount also included

- Fits G&G PCC45/MCX9 AEGs

- 6 position GOS V3 Stock