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

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.