Umarex 50rd GLOCK 17, 18, 19, 19X GBB Extended Airsoft Magazine (VFC)

Features 

Fully licensed by GLOCK

Heavyweight, realistic feel

Full metal construction

Highly efficient internal gas system

High tension spring

Powered by Green Gas

Specification

Compatibility: For Umarex GLOCK G17, G18, G19, G19X Series Airsoft GBB Pistols by VFC

Velocity: 300 FPS / 0.84 Joules (Measured with 0.20g BBs and Green Gas)

Capacity: 50 rounds

Gas Type: Green Gas

The Umarex GLOCK G18 Green Gas 50rd extended spare airsoft magazine by VFC is made from heavyweight aluminum, giving a hefty feel to the G18 airsoft pistol. The extended GLOCK magazine offers over twice the shots as regular GBB magazines. 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 Green Gas with this gas pistol magazine.