The Chip Mccormick Custom Power Mag Chip Mpm45fs10b 16150 Pwr Mag 1911 45 10r Blk provides a 10-round magazine option for firearms chambered in 45 ACP. It features Stainless Steel construction. It is intended for 1911 Government compatibility.It is a straightforward choice for replacing a worn magazine or keeping an additional magazine available for range training or field use.Caliber: 45 ACPCapacity: 10 roundsMaterial: Stainless SteelFit: 1911 Government