Selling a brand new in original box M4A1 S-System style full auto electric Airsoft rifle, dark earth edition. Features a full metal V2 gearbox , high quality performance and durable build construction. Perfect for a reliable primary weapon on the field! This is a full package deal and includes everything you would need ! This style of M4 with this type of Rail system was popularized in the video game Call of Duty MW2. Sporting a unique spin on the M4. Features - S - System handguard w/ Picatinny rail sections for tactical attachments - Lightweight, high impact polymer receiver Heavy duty metal outer barrel assembly, buffer tube, and rails - Easy access battery storage compartment in handguard - Reinforced Tokyo Marui compatible ver2 metal gearbox w/ metal internals, OEM Golden Eagle/JG/cyma. Unsure on exact production but is TM spec - Adjustable flip-up front and rear sights - Adjustable length of pull LE style stock - clocks in at 380 FPS, Lipo ready. Package includes - M4 S system new in box with owners manual - 450 round metal high capacity magazine - Additional R.I.S. Rails for accessory attachment - Precision grade BBs - Battery & Charger package Ships priority mail - ANSI rated Airsoft tinted shooting glasses, Rifle scope, Suppressor, and mask are not included in package but are for sale separately. *please note, all my guns are tested to confirm functionality. Everything works, however batteries included are untested & may not work (I have hundreds with no time to test them all).