19X OEM Magazine - GlockOriginal Glock 19X magazine is constructed from a hardened steel insert encased in high tech polymer to protect the magazine and prevent deformation, even when dropped from a serious height. The high quality spring and follower ensure reliable feeding from the first round fed by a fully compressed spring down to the last shot. Reliability if the going gets tough. Exactly what one would expect from a genuine Glock Precision engineered product. The