Mec-Gar MGG191800A 9mm Fits Glock 19 Black Steel/Polymer 18+1 All Mec-Gar magazines Are Made In Italy With The Most Sophisticated technologies And Best materials. Since 1965 Mec-Gar Has Been a World Leader In The Production Of magazines For The largest Firearm manufacturers And militaries In The World. High Visibility Green, High-Impact Polymer, Heat Treated Carbon Steel. High Tensile Music Wire, High-Impact Polymer Floorplate Caliber: 9mm Capacity: 18+1 Finish: Anti-Friction Material: Steel/Polymer Capacity: 18+1 Manufacturer: MEC-Gar Mfg Number: MGG191800A