This is a Glock Magazine chambered in 45 ACP, model 3009.
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.
Features:
Constructed of Hardened Metal Encased in Durable Polymer
Viewing Windows
Polymer Base Plate
