ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturers defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.Features :Heat-Treated Chrome Silicon Wire SpringManufactured & Assembled in the U.S.A.Easy LoadingRugged ConstructionDue to high demand, please allow 10-14 days for shipping. Thank you for your patience. Due to high demand, please allow 10-14 days for shipping. Thank you for your patience.www.suncoastarmory.com
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