Accurate-Mag single stack, single-feed magazines for the .300 Win Mag are expertly designed to meet the needs of any shooter, accommodating one caliber with three distinct cartridge lengths. Constructed from steel, these magazines undergo a heat treatment process and are subsequently coated with a specialized Teflon finish to enhance durability and performance. They are ideally suited for .300 Win Mag, .338 Win Mag and 7mm Remington Magnum cartridges. Additionally, with a minor adjustment to the feed lips, these magazines can also support .280 Ackley Improved, .26 Nosler, .28 Nosler and .375 Ruger cartridges. This product is designed to be compatible with long action AICS (accuracy international chassis systems) pattern bottom metal, ensuring seamless integration 5-round capacity SSSF magazine - compact and efficient, this magazine is designed for seamless integration, ensuring reliable performance and easy handling Steel that has undergone heat treatment and is coated with a Teflon finish for enhanced durability and reduced friction Engineered with robust materials to ensure extended durability and longevity, providing reliable performance over an extended period