The ProMag Industries RUG-A10 20-Round Steel Magazine delivers unmatched performance and reliability for serious enthusiasts. Designed and manufactured in the USA, this magazine is constructed with precision, featuring a heat-treated chrome silicon wire spring for optimal durability. Each unit undergoes stringent quality checks to ensure consistent excellence. 20 - Round Capacity Steel Construction Heat-Treated Chrome Silicon Wire Spring Manufactured & Assembled in the U.S.A. Easy Loading Rugged Construction Elevate your shooting experience with this reliable magazine, backed by a lifetime guarantee.