The ProMag Industries COL-A20 30-Round Magazine stands as a premier accessory for firearm enthusiasts, engineered for peak performance and longevity. Crafted in the USA, each magazine is built with precision, featuring rigorous quality checks throughout production. This ensures reliable functionality and optimal durability for all shooting conditions. 30 - Round Capacity Heat-Treated Chrome Silicon Wire Spring Manufactured & Assembled in the U.S.A. Easy Loading Rugged Construction Experience unmatched reliability with the ProMag COL-A20, fortified by a lifetime guarantee.