Caliber: 45acp
Capacity: 10-Shot Extended
Generation: 1st, 2nd, 3rd & 4th
Finish: Black Polymer
Condition: Brand New Factory Glock

Each Glock 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 great height. The high quality spring and follower ensure reliable feeding from the first to the last shot. Factory Original Glock Manufacture.