Product Description The ProMag Industries Ruger Mini-30 7.62x39mm 50-round drum magazine is built for high-capacity range sessions with durable, lightweight construction. It features a proprietary DuPont Zytel-based polymer drum body with a hybrid steel/polymer upper magazine tower for strength where it matters most. An injection-molded follower and heat-treated magazine spring help promote consistent feeding. Made in the USA, ProMag magazines are backed by a lifetime guarantee against manufacturer&';s defects. Product Highlights High-capacity 50-round drum magazine designed for Ruger Mini Thirty / Mini-30 7.62x39mm rifles Proprietary DuPont Zytel-based polymer body for durability with reduced weight Hybrid steel/polymer upper magazine tower for reinforced locking and reliability Injection-molded follower engineered for smoother, more consistent feeding Made in the USA and backed by ProMag&';s lifetime guarantee against manufacturer defects Specs Brand: ProMag Industries Manufacturer Part Number: DRM-A101 UPC: 708279016226 Firearm Compatibility: Ruger Mini Thirty / Mini-30 Caliber: 7.62x39mm Capacity: 50 rounds Magazine Type: Drum magazine Body Material: DuPont Zytel-based polymer Upper Tower: Hybrid steel/polymer Follower: Injection molded Spring: Heat treated stainless steel Color: Black 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.