When it comes to enhancing the firepower of your trusted Glock 17 or 19, look no further than Pro Mag's drum magazine. This American-made marvel is constructed from DuPont Zytel polymer, ensuring a blend of durability and lightness that stands up to rigorous use. The injection-molded magazine follower guarantees smooth feeding, while the mag spring, formed from chrome silicone wire, provides reliable performance over countless cycles. This drum magazine marries advanced materials with precise engineering for an accessory you can depend on in critical moments. Whether you're at the range perfecting your skills or relying on your firearm for home defense, this Pro Mag product delivers consistent and efficient operation every time. In essence, this isn’t just another piece of equipment; it's a strategic enhancement designed to keep you ahead when it matters most.