The DURAMAG 20-Round 5.56 NATO Aluminum Magazine is a reliable choice for AR rifles, designed for optimal performance and durability. With a lightweight aluminum body and Type-III hard-coat anodized finish, this magazine stands up to the rigors of law enforcement and military use. It features an EverFlex anti-fatigue spring and anti-tilt follower for consistent feeding, ensuring you can depend on it when it matters most. The magazine's construction allows for safe extended storage while loaded, preventing flexing or swelling that can occur with polymer options. Built with precision using advanced tooling and robotic welding, these magazines deliver reliability and performance when you need it most. Color finishes may vary due to the anodizing process, but this does not affect the quality of the magazine.