Full Metal, Fully Upgradeable 8mm Bearing Version 2 Gearbox
Length: 705mm-785mm, Adjustable Inner Barrel: 300mm Magazine Capacity: 320rd Hi-Capacity. Compatible with Matrix, G&G, Tokyo Marui and other similar M4 / M16 Series Airsoft AEG Magazines Muzzle Velocity: 320~340 FPS (Measured with 0.20g BBs) Thread Direction: 14mm Negative Gearbox: Ver 2 Full Metal, Fully Upgradeable Motor: Long Type Fire Modes: Semi/Full-Auto, Safety Package Includes: Gun, Magazine, Manual Battery: 9.6v Small Butterfly Type recommended (Battery not included) Hopup: Yes, Adjustable