PolarStar F1 Centerline HPA Engine for V2 Gearbox Airsoft Rifles aeg magazine PACKAGE INCLUDES: 1X TRACER UNIT

PACKAGE INCLUDES: 1X TRACER UNIT

The Heckler & Koch MP7 was designed to meet NATO requirements for a new type of weapon as well as cartridge that would help bridge the gap between a sub-machine gun and a rifle

This series features a full metal barrel assembly

Tester battery and wall charger

Winding Mechanism: Manual Winding

PolarStar F1 Centerline HPA Engine for V2 Gearbox Airsoft Rifles aeg magazine PACKAGE INCLUDES: 1X TRACER UNITM4 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