PolarStar F1 Centerline HPA Engine for V2 Gearbox Airsoft Rifles aeg magazine Tokyo Marui and other compatible

Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines

Winding Mechanism: Manual Winding

Tester battery and wall charger

the Ares M4-KM7  is strongly built with a full metal body

12x Cartridges

PolarStar F1 Centerline HPA Engine for V2 Gearbox Airsoft Rifles aeg magazine Tokyo Marui and other compatibleM4 M16 What is the F1? Like the Fusion Engine and JACK, the patent pending F1 is a high performance HPA (High Pressure Air) system which replaces the traditional piston and gears of an AEG with a programmable pneumatic system. Flow Control The unique flow control system uses an integral check valve to regulate the forward speed of the nozzle while maintaining the fastest retract speed possible. This system is also what makes the F1's "2 stage" firing