POSEIDON AEG M4 AVENGER WITH BULIT IN MEDUSA MOSFET stock The air is locked and

The air is locked and loaded for its first shot

Fog-Proof:YES

Box includes:  Full tan Rifle

Quantum Trigger included in the kit

There's also a different mosfet version (SSS) that is an upgraded variant

POSEIDON AEG M4 AVENGER WITH BULIT IN MEDUSA MOSFET stock The air is locked andBuilt in Tracer. Built in Medusa E. T. C. S Mosfet Module. Medusa App Based Programmable Mosfet. Built in eye of Medusa AEG LED hop up chamber. Built in high strength and impact resistant bearing of 8mm Gearbox V2. Equipped with quick spring release system. Grip is ergonomic and non slip. Inner Barrel Length: 245mm. Comes with 220 Rounds Midcap Magazine. Battery: Wired to Deans. AVENGER SERIES: M LOK rail system handguard and retractable style stock.