Glock 21 45ACP 10RD Magazine

• Constructed of Hardened Metal Encased in Durable Polymer
• Viewing Windows
• Polymer Base Plate

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.