This 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 round fed by a fully compressed spring down to the last shot. Its double cut magazine body also works with a reversed magazine catch on Gen 4 GLOCK Pistol models.

FEATURES 

• Constructed of hardened metal encased in durable polymer
• Viewing windows for visual confirmation
• Double-stack design
• Metal magazine spring
• Standard black polymer base plate
• Black follower