DURAMAG Speed Aluminum 30rd AR-15, Mag 5.56 NATO/.223/300BLK, Black Overview The DURAMAG Speed(TM) Aluminum magazine offers a superior alternative to traditional USGI magazines, designed to deliver unmatched reliability and performance. Made from lightweight yet durable 6061-T6 aluminum with a Type-III hard-coat anodized finish, this magazine is trusted by OEMs, law enforcement, and military units worldwide. Its advanced design ensures consistency, durability, and flawless performance in demanding conditions. Key Features Caliber Compatibility: 5.56 NATO / .223 Remington / .300 BLK Capacity: 30 rounds Material: 6061-T6 aluminum body with Type-III hard-coat anodized finish Design: Progressive die tooling, Post and Hole(TM) construction, and robotic welding for precision and consistency Durability: Safe for extended loaded storage without flexing or swelling Specifications UPC: 766897410062 MPN: 3023001175CPD Color/Finish: Black (color variations may occur due to the anodizing process) Platform Compatibility: AR-15 Applications Ideal for professional, military, law enforcement, and civilian shooters seeking a lightweight and dependable magazine for 5.56 NATO, .223 Remington, and .300 Blackout ammunition. Additional Features Durability: Aluminum construction prevents deformation during heavy use and long-term storage. Finish Integrity: Anodized coating integrates with the metal for enhanced resistance to wear and corrosion. Consistency: Manufactured with advanced tooling and robotic welding for uniform performance. Lightweight: Combines the ruggedness of metal with reduced weight for ease of use.