Glock 21 Gen 5 45 Acp Magazine - Magazine Fits Glock 21 Gen 5 45 Acp 10-Round Black

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. Standard magazine for: G21 Gen5 FEATURES Constructed of hardened metal encased in durable polymer Viewing windows for visual confirmation Double-stack design Metal magazin