Product Description The ProMag Industries AR-15 drum magazine is built to deliver high-capacity performance for AR-15 pattern firearms chambered in 7.62x39mm. This 50-round drum features durable DuPont Zytel polymer construction with aggressive texturing for a confident grip and handling. Internally, it uses a heat-treated stainless steel spring and an injection-molded polymer follower to promote consistent feeding and reliability. Made in the USA, ProMag magazines are backed by a lifetime guarantee against manufacturer&&';;s defects. Product Highlights 50-round drum magazine increases on-board ammunition capacity for AR-15 pattern 7.62x39mm rifles Durable DuPont Zytel polymer body with aggressive texturing for positive grip Heat-treated stainless steel internal spring designed for long-lasting performance Injection-molded polymer follower helps support smooth, consistent feeding Made in the USA and backed by ProMag&&';;s lifetime guarantee against manufacturer defects Specs Brand: ProMag Industries Product Type: Drum magazine Platform/Fit: AR-15 pattern firearms chambered in 7.62x39mm Caliber: 7.62x39mm Capacity: 50 rounds Color: Black Construction: DuPont Zytel polymer (with steel/polymer construction noted by distributor listings) Spring: Heat-treated stainless steel Follower: Injection-molded polymer Country of Manufacture: USA Manufacturer Part Number: DRM-A111 UPC: 708279016530 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.