Wilson Combat has been supplying serious shooters and professionals with the world's' most reliable and durable .45 auto magazines for the past 30 years.They are used by the world's most Elite U.S. Army SPEC OPS unit FBI SWAT Thunder Ranch and professionals worldwide.NO other .45 magazine on the market can compare for proven inherent reliability durability and the ability to remain fully loaded for long periods of time without damage.This replacement or spare magazine is compatible with your 1911 government.It features an extended floor plate.Caliber: 45 ACPCapacity: 8rdFinish: SilverModel: OEMMaterial: Stainless SteelType: DetachableModel Fit: 1911 GovernmentBrand Fit: WilsonCapacity: 8