G&G Combat Machine CM16 Stealth 556 Airsoft M4 AEG Rifle Pistol The first HPA engine controlled

The first HPA engine controlled by an ETU with optical sensors

and pre-installed durable full steel tooth piston

This provides a advantage during reloading and other slide manipulation sources

The flared magwell grip features ridges on the front for operators who prefer a magwell style grip on their rifle

G&G Combat Machine CM16 Stealth 556 Airsoft M4 AEG Rifle Pistol The first HPA engine controlledReinforced polymer billet style receiver Polymer M LOK handguard with slots on the 3, 6, 9, and 12 o'clock positions to mount your light, laser and other accessories Long Picatinny top rail for optics and small Picatinny segments in the front 6 and 12 o'clock position for accessories Equipped with a MOSFET Integrated Gearbox providing better performance and durability while allowing more modularity True Quick Change Spring system allows you for easy,