Umarex 15rd H&K 45 Non-Blowback Airsoft Magazine

Compatibility: Umarex H&K45 Co2 Non-Blowback Pistols

Velocity: 330 FPS / 1.01 Joules (Measured with 0.20g BBs and 12g Co2 Cartridge)

System: Gas Non-Blowback

Capacity: 15 rounds

Gas Type: Co2

The Umarex H&K USP Co2 18rd spare airsoft magazine by KWC is made from heavyweight aluminum, giving a hefty feel to the USP airsoft pistol. This green gas Umarex magazine has a high-efficiency internal gas system providing excellent FPS output, and reinforced valves and seals for optimal gas retention. We recommend using Valken 12g Co2 Cartridges with this gas pistol magazine.