The GlockA(R) Gen 5 G19 9mm 10-Round Factory Magazine is a genuine factory magazine, engineered to deliver Glock's trademark reliability and consistency in any self-defense, tactical, or target shooting application. Crafted from impact-resistant polymer with full-length steel inserts and numbered witness holes, Glock factory magazines are an industry-standard thanks to their rock-solid performance and impressive track record among military and law enforcement agencies across the globe. This centerfire pistol magazine features a high-strength steel spring with an improved high-visibility follower for consistent cartridge alignment, smooth feeding, and unwavering reliability, while the curved baseplates offer smooth handling and quick removal for quick maintenance and cleaning. These 10-round magazines have the same fit and feel as standard capacity magazines, making them ideal for training, target practice, and tactical drills. Fits Gen 3, 4, and 5 G19 and G26 pistols.