Brand: CYMA Warhawk Model: JD100BK Type: Automatic, battery operated Modes: Semi/Full-Auto, Safety Highest quality materials and craftsmanship Designed and built with the utmost attention to detail 2-piece split nylon receiver Strong nylon construction from flash suppressor to buffer tube V2 Nylon Gearbox with nylon gears 1.2mm Spring 18:1 Gear ratio Nylon receiver Nylon quad rail handguard Nylon flash suppressor Inner nylon Barrel Outer nylon barrel Laser Print on Receiver Extendable stock Charging handle opens dust cover Rails on all 4 sides for tactical attachments Uses 7-8mm gel balls Length: 680mm/760mm, Adjustable Weight: 1814g Inner Barrel: 363mm Magazine Capacity: 200rd Hi-Capacity. Works with other compatible M4 / M16 Series Gel blaster AEG Magazines Muzzle Velocity: 250-260FPS (Measured with 7-8mm gel balls) Outer Barrel Thread Direction: 14mm Counter Clockwise thread Gearbox: V2 Full nylon Motor: Long Type 480 Fire Modes: Semi/Full-Auto, Safety Hopup - Yes - a nylon hopup is included Battery: 7.4v Small Black Type recommended (Battery included. Wired to stock with JST connector)