H&K USP CO2 Airsoft Semi-Auto Pistol Officially licensed Hand Gun 330 FPSThe H&K USP side arm is the top and most sought after pistol made by Germany and has a worldwide following! Airrattle is bringing you a fully licensed and trademarked USP with H&K! I really cannot go into enough detail about how good this airsoft pistol looks. Just cock the . 45 cal. USP just like the real gun and your ready to fire! Once cocked the first time you will not need to cock it again. You can pull the trigger in rapid semi automatic action!