The Advantage Arms .22 LR Conversion Kit transforms your Glock 17/22 Gen 4 pistol for .22 LR ammunition featuring a 4.49" barrel and 10-round capacity with included range bag.Advantage Arms .22 LR Conversion Kit for Glock 17/22 Gen 44.49" barrel length with 10-round capacityAdjustable sights for precision shootingLast round lock open functionality30-second installation - no gunsmithing requiredIncludes range bag for convenient transport1-year factory direct warrantyPerfect for training and practice shooting with affordable .22 LR ammunition while maintaining the familiar feel and operation of your Glock pistol.