Product Description The Springfield Armory PI4521 is a factory magazine designed for Springfield Armory 1911 pistols chambered in .45 ACP. Built from stainless steel with a natural stainless finish, this single-stack magazine offers an extended 10-round capacity for range use, training, and reliable reloads. Manufactured to Springfield Armory specifications for proper fit and consistent feeding, it&';s an ideal replacement or spare magazine for compatible full-size 1911 platforms. Product Highlights Factory Springfield Armory 1911 magazine designed for dependable fit and function Extended 10-round capacity for .45 ACP 1911 pistols Stainless steel construction with natural stainless finish for durability and corrosion resistance Single-stack design compatible with many full-size 1911 Government/Commander-pattern pistols Great as a replacement magazine or an additional spare for training and range sessions Specs Brand: Springfield Armory Manufacturer Part Number: PI4521 UPC: 706397645212 Type: Detachable pistol magazine Platform Compatibility: 1911 (Full Size / Government/Commander pattern; also commonly listed for Champion 1911 models) Caliber: .45 ACP Capacity: 10 rounds Stack Type: Single stack Material: Stainless steel Finish/Color: Stainless / Silver (natural stainless finish) Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.