Please note: This is for a 10 pack of KCI Magazines. Affordable replacement magazine for Glock 9mm pistols. Compatible with Glock G19 / G26 pistols and Angstadt Arms UDP-9 and MDP-9 firearms. Constructed with a hardened steel insert encased in high tech polymer. A polymer coating protects the magazine and prevents deformation, even when dropped. Features: Capacity: 15 rounds Number of Magazines: 10 Caliber: 9mm Compatibility: Glock G19, G26, Angstadt Arms UDP-9, MDP-9 Material: Hardened Steel, Polymer body This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.