he Heckler and Koch is an authentic HK replica with Gas Blowback power. This double action pistol has a moving hammer to add realism and fixed tactical sights. Licensed Trademark of Heckler & Koch GmbH

• 330 FPS with .20g BB
• Green Gas Powered
• Full Blowback Action
• 25 Round Drop Free Magazine
• Adjustable Hop-Up
• Accepts Replacement Magazine 2275003

Magazine SKU Number 2275003

Notes: The HK USP GBB takes rebuild kit SKU number 2211103 and the magazine takes rebuild kit 2211104