Magazine Glock 17 Gen 4 20 Rounds Airsoft GBB .177 (4.5mm)

The Umarex GLOCK 17 Green Gas 20rd Replacement Airsoft Magazine by VFC is made of heavy aluminum, giving a weighted feel to the G17 airsoft pistol. This Umarex green gas magazine has a high-efficiency internal gas system that provides excellent FPS output and reinforced valves and seals for optimal gas retention.