TSD Sports Sportsline M4 CQB Commando AEG Electric Powered Airsoft (Retractable Stock) Airsoft M4 AEG combines affordable price point of a plastic body airsoft rifle with accuracy and shooting power of competition-grade internals Capable of muzzle velocities in excess of 350-feet-per-second; high torque motor, adjustable hop-up, retractable stock, and carrying handle Fires up to 720 rounds per minute with automatic firing; also includes semiautomatic firing function Safety function and aluminum outer barrel, with metal-reinforced M110 spring gearbox This product is restricted from shipment into the state of New York