- Jing Gong M4 S-System AEG
- Weight: 3100 gr
- Length: 775 - 856 mm
- Barrel length: 363 mm
- Fire mode: Electric Semi/Full Automatic
- Velocity: 400 FPS
- Material: Plastic, metal
- Battery: Mini, Twin, Crane Type
- Magazine capacity: 300
- Gearbox: Version 2
- Colour: Black
- Includes AEG, magzine, battery, charger
The M4 S-System is a really decked out AR model. The model sports a full length upper rail that can base any kind of optical device, PEQ, etc, etc.
It sports an adjustable and foldable ARMS type rear sight. The front sight is foldable as well and replicates a PRI flip up sight.
The receiver is made out of High Density plastic that makes the model light but durable. The stock is astandard 4 position retractable LE type one.
The front set is a replica of the Barrett M468 one and it bears 20 mm Picatinny rails all over.
The adjustable Hop Up function gives a remarkable distance. The package contains the AEG, its metal High Capacity magazine, a battery and a charger.
The M4 carbine is a family of firearms that was derived from earlier carbine versions of the M16 rifle, which was in turn derived from the original AR-15 rifle that Eugene Stoner designed and ArmaLite made. The M4 is a shorter and lighter variant of the M16A2 assault rifle. It is a gas-operated, magazine-fed, selective fire, shoulder-fired weapon with a telescoping stock and 14.5 in (370 mm) barrel to ease close quarters combat. Like the rest of the M16 family, it fires the .223 caliber, or 5.56mm NATO round.
The M4 carbine is heavily used by the U.S military. It will eventually replace the M16 rifle for most combat units in the United States Army. The winner of the Individual Carbine competition was to supplement the M4 carbine in U.S. Army service; all other services will continue using the M4 carbine and M16 rifles. The Army cancelled the Individual Carbine competition without selecting a replacement rifle and instead plans to equip soldiers with the improved M4A1.