The HK USP CO2 features a 16-round metal magazine that also houses the 12g CO2 gas cartridge.

It seems only fair that everyone should have a chance to own an HK product and experience the incredible quality and amazing performance that shooters have come to expect from the world-class firearms manufacturer. So we went ahead and made the licensed HK USP CO2 airsoft pistol at a price agreeable to most budgets. The fixed-slide means less wear and tear on the internals and more time shooting! Just in case, the HK USP CO2 fixed slide pistol comes with an industry leading 60-day factory warranty for extra assurance. This gun also features a 16-round metal magazine that also houses the 12g CO2 gas cartridge. 330 fps provides more than enough range for pistol engagements without exceeding standard velocity limits for close-quarter battle. Fix the void in your life with a fixed slide HK USP CO2 airsoft pistol! FDE Grip Frame 12g CO2 Powered Drop Free 16 Round Magazine Non-Blowback Action Licensed Trademark of Heckler & Koch GmbH