Unleash maximum firepower at the range with the KCI 9mm 50-Round Drum Magazine for full-size and compact double-stack Glock handguns. Built for smooth, continuous cycling and high-capacity performance, this ultra-reliable drum mag gives you 50 rounds of continuous shooting without the hassle of constant magazine swaps. Key Features & Specifications 50-Round High-Capacity Drum: Expands your capacity significantly for extended, uninterrupted target practice and tactical training sessions. Heavy-Duty Polymer & Steel Construction: Molded from high-impact polymer and reinforced with steel inserts to prevent feed-lip wear, cracking, and swelling under full capacity. Tension-Release Hand Wheel: Features an integrated ratcheting thumb-wheel mechanism that relieves spring tension for fast, easy loading without straining your fingers. Heat-Treated Steel Spring: Equipped with a heavy-duty, anti-fatigue spring and follower mechanism to maintain constant, reliable feeding down to the very last round. Glock 9mm Compatibility: Fits double-stack 9mm Glock models including the G17, G19, G19X, G26, G34, and G45, as well as 9mm pistol-caliber carbines (PCCs) that accept standard Glock mags. The KCI 50-Round Drum offers the ultimate combination of ultra-high capacity, rugged durability, and incredible value. Designed with an easy-loading thumb crank and reinforced construction, it eliminates the tedious effort of hand-loading high-capacity magazines while delivering seamless, jam-free feeding. It's the perfect high-volume upgrade for range days, PCC setups, and tactical drills.