Umarex VFC Avalon Calibur II PDW AEG 6mm BB Rifle Airsoft Gun

Durable metal construction; VFC QRS PDW stock Full metal VFC ECS gearbox with inline wired MOFSET Semi-auto and full-auto shooting modes; Adjustable hop-up for optimized range Shoots 6mm plastic airsoft BBs at up to 380 fps Flip up front and rear sights, rear sight is detachable; Recommended for use with 9.6v small butterfly type battery (battery NOT included); Includes battery extension piece for larger batteries