Product Description The ProMag AR-15 7.62x39mm magazine is a rugged 30-round steel magazine built for reliable feeding and long service life. Made and assembled in the USA, it features a heat-treated chrome silicon wire spring and a durable steel body with a blued/black-oxide style finish for corrosion resistance. ProMag backs this magazine with a lifetime guarantee against manufacturer defects, and each step of the assembly process is checked to maintain consistent quality. Product Highlights 30-round capacity magazine designed for AR-15A(R) rifles chambered in 7.62x39mm Heat-treated chrome silicon wire spring for consistent, reliable feeding Heat-treated steel magazine body with a durable blued/black oxide finish Injection-molded polymer follower for smooth operation and easy loading Made and assembled in the USA; backed by ProMag&';s lifetime guarantee against manufacturer defects Specs Brand Name: ProMag Industries Manufacturer Part Number: COL-A20 UPC: 708279010644 Platform Compatibility: AR-15A(R) 7.62x39mm rifles Caliber: 7.62x39mm Capacity: 30 rounds Body Material: Heat-treated steel Spring Material: Heat-treated chrome silicon wire Follower: Injection-molded polymer Finish/Color: Blue steel / black oxide style Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.