The HK 416 CQB is a licensed, authentic replica of the real 416 rifle used by military forces. The Metal receiver and high torque motor with metal gears and 8 mm bearings contribute to the elite status of the gun. The high capacity, 320-round magazine allows for lots of firing before the need to reload. The adjustable rear sight, and adjustable stock allow for accurate and comfortable shooting. The metal quad rail system lets you accessorize the gun to fit your individual specifications. Perfect for use on the mil-sim (military simulation) battlefield or in tactical training situations. Features: - Metal receiver - High torque motor - Metal gears with 8 mm bearings - High capacity - Adjustable hop-up - Adjustable rear sight - Metal quad rail system - Adjustable stock - Authentic replica - 1200 shots a minute! - Powered by 9.6V NiMH rechargeable battery Specifications: - Caliber: 6 mm - Action: Semi/Full - Power: AEG - Capacity: 320-shot - Barrel Length: 12.2 - Brand: Heckler & Koch - Rear Sight Type: Adjustible - Ammo Type: Airsoft BBs - Total Length in Inches: 30.7 - Velocity- FPS: 335