The HK G36C Competition Series Airsoft Rifle offers both full and semi automatic firing as well as AEG. A high torque motor and high-quality polymer fiber body contribute to an overall solid performing gun. The high capacity magazine allows for 400 rounds to go in at once. This is an Officially licensed replica! Don't be fooled by the imitators! The full metal gears and metal gearbox are powered by an 8.4V NiMH rechargeable battery and charger. (included) Licensed Trademark of Heckler & Koch GmbH.