Umarex GLOCK G18 GEN3 GBB Extended (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.