Umarex H&K USP CO2 Metal Airsoft Magazine push unite This gun features an M-LOK

This gun features an M-LOK capable rail system with a sound amplifier on the muzzle to make sure your presence is heard across the battlefield

Ambidextrous safety lever with a functional grip safety beaver tail that you'd expect from most Hi-Capas on the market

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Three dot white combat sights to help with target acquisition

Features Ready to work with LiPo batteries up to 14

Umarex H&K USP CO2 Metal Airsoft Magazine push unite This gun features an M-LOKThis HK Airsoft magazine fits the HK USP CO2 pistols by Elite Force Airsoft and Umarex Airguns. This is the plastic version of the magazine. HK is a licensed trademark of Heckler & Koch GmbH. 16 rd Magazine for the HK USP CO2 Airsoft Gun