The DURAMAG Speed magazine is engineered for AR-15 rifles and offers rugged performance in a variety of environments. Made from high-quality materials, it supports those seeking a dependable magazine for their shooting needs. Constructed from 6061-T6 aluminum with type-III hard-coat anodizing Designed for use with AR-15 rifles in 5.56 NATO 30-round capacity for extended range or field sessions The DURAMAG Speed magazine is valued for its durability and lightweight design, making it a reliable choice for both enthusiasts and professionals. Its construction allows it to resist corrosion and remain stable during extended use.