Achieve peak performance with the ProMag RUG-A21 Magazine featuring a robust 15-round capacity designed for reliability and efficiency. Constructed from durable steel and made in the USA, this magazine combines superior craftsmanship with rigorous quality controls to ensure longevity and functionality in any situation. 15 - Round Capacity Steel Construction Heat-Treated Chrome Silicon Wire Spring Manufactured & Assembled in the U.S.A. Easy Loading Rugged Construction Trust in the ProMag RUG-A21 for unmatched performance and durability on the range.