The ProMag Industries SAI 02 Magazine stands as a top-tier firearm accessory, engineered for durability and reliability. Crafted in the USA, this magazine is backed by a lifetime guarantee, ensuring utmost quality and performance under the most demanding conditions. Each magazine features precision wound springs made from heat-treated chrome silicon wire, ensuring consistent operation and longevity. Rigorously tested through each assembly phase, the ProMag SAI 02 exemplifies craftsmanship and resilience. Heat-Treated Chrome Silicon Wire Spring Manufactured & Assembled in the U.S.A. Easy Loading Rugged Construction Experience unparalleled performance with the ProMag SAI 02 Magazine, a reliable choice for firearm enthusiasts.