Ruger(R) SR-556 6.8 Remington SPC 25 Round Black Stainless Steel Magazine is designed for compatible Ruger SR-556 firearms. The magazine features stainless steel construction with a black finish and is designed to provide proper fit and dependable feeding in compatible firearm applications.Key Features 25-round magazine capacity Designed for compatible Ruger SR-556 firearms Compatible with 6.8 Remington SPC Stainless Steel construction Black finishRuger(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.