The Pulse R73 AEG airsoft assault rifle's design updates the look and operation of the Pulse R70. It features fully automatic operation, a see-thru gravity fed hopper*, an adjustable stock and comes with a rechargeable NiMH battery and UL charger. Its military M4 styling and high capacity 500 round hopper make it ideal for scenario play. Generates muzzle velocities of up to 225 fps! *High capacity hopper looks like a scope.