This 50-round drum magazine is designed for Glock Model 48 and 43X 9mm pistols, delivering extended capacity with reliable performance. Built with a durable polymer drum housing and reinforced steel components, it ensures consistent feeding and long-lasting durability for high-volume shooting. Product Details Capacity: 50 rounds Compatibility: Glock Model 48 and 43X 9mm pistols Material: DuPont Zytel based polymer drum housing Upper tower features full-length internal steel insert Injection molded follower Heat-treated stainless steel spring Made in the USA