The Ammunition Storage Components AR-15 Magazine 5-65-SS-BM-BL-ASC is engineered for unparalleled reliability and performance, tailored specifically for the AR-15 platform. Crafted with premium materials, ASC magazines ensure consistent functionality and exceptional durability, making them a preferred choice among leading firearms manufacturers. Heat Treated for Strength and Durability Chrome Silicon Spring Made in the USA Choose ASC magazines for a dependable solution that excels under pressure.