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.

FEATURES

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