Designed to fit 9mm Glock pistols, this KCI Replacement Drum Magazine will provide reliable, smooth-feeding action for your favorite firearm. Drum Magazine is made from rock-solid 100% polymer and comes equipped with a heat-treated silicon spring and special finger taps for quick reloading. For use with Glock 17/19/26/34 pistols (Gen 3 or later) 9mm 50-round capacity Durable polymer construction Heat-treated chrome silicon spring Finger taps for quick reloading Order today!