Operation: Electric Automatic Construction: Nylon Polymer Frame / Metal Barrel Assembly Firing Modes: Semi-Automatic, Full-Automatic, Safe Muzzle Velocity: 370 - 390 FPS with 0.20g BBs Magazine Capacity: 300 Round High-Cap Gearbox: Full Metal Version 2 Battery: 9.6v NiMH Nunchuck Recommended (Battery and charger included) Battery Connector: Rear Wired Via Small Tamiya Hop-Up: Yes, Adjustable Inner Barrel Diameter: 6.03mm Rifle Length: 31 - 34.4 inches (Stock Retracted / Extended) Rifle Weight: 5 lbs Color: Tan