The Korean made Glock 9mm 50 round dual drum magazine.; Capable of being pre loaded and stored indefinitely with a full 50 round capacity the magazines design provides equal distribution of the ammunition in each of the twin drums.; This mag exceeds NATO Military Specifications and is a product of South Korea.; Includes 50 Round Dual Drum, Loading Tool, 2 Graphite Tubes, and a heavy duty black nylon storage pouch.