Glock Factory Handgun Magazine for G21 Black with Orange Follower .45 ACP 13/rd Pkg

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 magazine spring Enlarged front of the black polymer base plate Orange follower Mfg: Glock