Rock Island Armory(R) 1911 9mm Luger 10 Round Blued Steel Magazine is designed for compatible 1911 firearms. The magazine features steel construction with a blued finish and is designed to provide proper fit and dependable feeding in compatible firearm applications.Key Features 10-round magazine capacity Designed for compatible 1911 firearms Compatible with 9mm Luger Steel construction Blued finishRock Island Armory(R) manufactures firearm magazines and related accessories with an emphasis on durable construction compatibility and dependable function. The brand develops products for a variety of firearm platforms and shooting applications. Its products are designed with attention to fit materials and practical performance.