Internals: ARES E.F.C.S Advanced electronic circuit-unit Rocket Airsoft 16:1 Retro arms bushings Systema M120 spring Amazing shimming Shortened trigger pull/ great response Brand new, re-wired whole unit and signal wire Cleaned and lubed Connectors just done Externals: Stock EMG Hellbreaker upper and lower receiver Stock rail Noveske KX3 Amplifier CW (black) Stubby Killer stock (short type) Magpul Angles Fore-grip Included with gun: Two 300 round High cap Magazines Matrix 1600 mAh 11.1 20c battery (deans connector) Ask for shooting vid if interested!!