Armscor(R) magazine is designed for compatible 1911 pistols chambered in .45 ACP. The detachable magazine provides a 10-round capacity for compatible full-size 1911 applications. It provides a replacement or additional magazine option for compatible .45 ACP 1911 pistols.Key Features Designed for compatible 1911 pistols Designed for .45 ACP ammunition 10-round capacity Detachable magazine design Designed for compatible full-size 1911 applicationsArmscor(R) manufactures firearm magazines and magazine components for a variety of handgun platforms. The company produces purpose-built magazines with an emphasis on durable construction consistent fit and dependable feeding. Armscor products are manufactured with attention to firearm compatibility and reliable operation.