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.

The batch we currently have available is bulk packaged and does not have cardboard style packaging.

Highlights:

• Fits: Glock 21, 21SF, 41, 30 and 36 Models
• Viewing Windows for Easy to See Round Count
• Polymer Base Plate
• 13 Round Capacity
• Constructed of Hardened Metal Encased in Durable Polymer