Check-Mate Industries(R) M1A/M14 magazine is designed for compatible Springfield M1A and M14-pattern rifles chambered in .308 Winchester. The detachable box magazine provides a 5-round capacity and features durable steel construction with a black Parkerized finish. Its welded body steel follower precision-wound spring and removable floorplate support reliable feeding and convenient maintenance.Key Features Designed for compatible Springfield M1A and M14-pattern rifles Designed for .308 Winchester ammunition 5-round capacity Steel magazine body Steel follower Precision-wound magazine spring Removable floorplate for cleaning and maintenance Black Parkerized finishCheck-Mate Industries(R) manufactures precision metal components and firearm magazines for commercial and professional applications. The company uses established metal-forming and manufacturing processes with an emphasis on dimensional consistency durability and dependable function. Check-Mate Industries products are manufactured with attention to material quality fit and reliable performance.