Features:

• Shoots 350-380+ FPS
• Full length M4 barrel makes this a full-sized M4 RIS rifle
• This AEG is 100% compatible with Tokyo Marui & aftermarket Version II parts
• Enhanced high-performance full metal gearbox/high-torque motor
• Semi/Fully Automatic firing models with functional safety
• G&G 450rd high capacity metal magazine comes standard
• Adjustable hop-up is integrated into rifle design, along w/ 4-point retractable rear stock
• Full metal barrel assembly for a solid build
• Adjustable iron sights; removable rear iron sight (once removed, the weaver rail is exposed for simple scope/optics mounting)
• This M4 is extremely versatile and will dominate in any game, be it CQB (close-quarters combat) or outdoors
• Battery and charger not included

Specifications:

• Material: Stainless/Aluminum/Steel/Zinc/Plastic/Nylon/Fiber
• Motor: 18000rpm Hi-torque Long axis
• Gear box bearing: 8mm Brass bushings
• Inner Barrel Length: 357 mm
• Magazine: 450 Rounds
• Overall Length: 807 mm
• Weight: 2225g

Item manual can be found here