The Glock Magazine .45 ACP 13rd For Glock 21 G4 Black 3-Pack provides three factory magazines designed specifically for the Glock 21 Gen 4 chambered in .45 ACP. Each magazine offers a 13-round capacity with clearly marked witness holes and a durable black polymer body that matches Glock’s proven design.

This 3-pack is ideal for shooters who want reliable spare magazines for training, range sessions, or keeping a dedicated set for home protection use. The consistent feeding geometry and orange followers help support dependable operation with Glock 21 pistols. Backed by Glock’s reputation for rugged reliability and straightforward engineering, these magazines integrate seamlessly with your existing Glock platform.

• Manufacturer: Glock
• Model: Magazine .45 ACP 13rd For Glock 21 G4 Black 3-Pack
• Caliber: .45 ACP
• Number of Magazines: 3
• Capacity: 13